20976920000

素因数分解:

$2^6\times 5^4\times {\mathrm{23}}^1\times {\mathrm{151}}^2$

素因数の和:357

約数の個数: 210

約数和(自身を含む): 54639341064

約数和(自身を除く): 33662421064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 151, 160, 184, 200, 230, 250, 302, 320, 368, 400, 460, 500, 575, 604, 625, 736, 755, 800, 920, 1000, 1150, 1208, 1250, 1472, 1510, 1600, 1840, 2000, 2300, 2416, 2500, 2875, 3020, 3473, 3680, 3775, 4000, 4600, 4832, 5000, 5750, 6040, 6946, 7360, 7550, 8000, 9200, 9664, 10000, 11500, 12080, 13892, 14375, 15100, 17365, 18400, 18875, 20000, 22801, 23000, 24160, 27784, 28750, 30200, 34730, 36800, 37750, 40000, 45602, 46000, 48320, 55568, 57500, 60400, 69460, 75500, 86825, 91204, 92000, 94375, 111136, 114005, 115000, 120800, 138920, 151000, 173650, 182408, 184000, 188750, 222272, 228010, 230000, 241600, 277840, 302000, 347300, 364816, 377500, 434125, 456020, 460000, 524423, 555680, 570025, 604000, 694600, 729632, 755000, 868250, 912040, 920000, 1048846, 1111360, 1140050, 1208000, 1389200, 1459264, 1510000, 1736500, 1824080, 2097692, 2170625, 2280100, 2622115, 2778400, 2850125, 3020000, 3473000, 3648160, 4195384, 4341250, 4560200, 5244230, 5556800, 5700250, 6040000, 6946000, 7296320, 8390768, 8682500, 9120400, 10488460, 11400500, 13110575, 13892000, 14250625, 16781536, 17365000, 18240800, 20976920, 22801000, 26221150, 27784000, 28501250, 33563072, 34730000, 36481600, 41953840, 45602000, 52442300, 57002500, 65552875, 69460000, 83907680, 91204000, 104884600, 114005000, 131105750, 138920000, 167815360, 182408000, 209769200, 228010000, 262211500, 327764375, 419538400, 456020000, 524423000, 655528750, 839076800, 912040000, 1048846000, 1311057500, 2097692000, 2622115000, 4195384000, 5244230000, 10488460000, 20976920000]

約数ペア:

[(1, 20976920000), (2, 10488460000), (4, 5244230000), (5, 4195384000), (8, 2622115000), (10, 2097692000), (16, 1311057500), (20, 1048846000), (23, 912040000), (25, 839076800), (32, 655528750), (40, 524423000), (46, 456020000), (50, 419538400), (64, 327764375), (80, 262211500), (92, 228010000), (100, 209769200), (115, 182408000), (125, 167815360), (151, 138920000), (160, 131105750), (184, 114005000), (200, 104884600), (230, 91204000), (250, 83907680), (302, 69460000), (320, 65552875), (368, 57002500), (400, 52442300), (460, 45602000), (500, 41953840), (575, 36481600), (604, 34730000), (625, 33563072), (736, 28501250), (755, 27784000), (800, 26221150), (920, 22801000), (1000, 20976920), (1150, 18240800), (1208, 17365000), (1250, 16781536), (1472, 14250625), (1510, 13892000), (1600, 13110575), (1840, 11400500), (2000, 10488460), (2300, 9120400), (2416, 8682500), (2500, 8390768), (2875, 7296320), (3020, 6946000), (3473, 6040000), (3680, 5700250), (3775, 5556800), (4000, 5244230), (4600, 4560200), (4832, 4341250), (5000, 4195384), (5750, 3648160), (6040, 3473000), (6946, 3020000), (7360, 2850125), (7550, 2778400), (8000, 2622115), (9200, 2280100), (9664, 2170625), (10000, 2097692), (11500, 1824080), (12080, 1736500), (13892, 1510000), (14375, 1459264), (15100, 1389200), (17365, 1208000), (18400, 1140050), (18875, 1111360), (20000, 1048846), (22801, 920000), (23000, 912040), (24160, 868250), (27784, 755000), (28750, 729632), (30200, 694600), (34730, 604000), (36800, 570025), (37750, 555680), (40000, 524423), (45602, 460000), (46000, 456020), (48320, 434125), (55568, 377500), (57500, 364816), (60400, 347300), (69460, 302000), (75500, 277840), (86825, 241600), (91204, 230000), (92000, 228010), (94375, 222272), (111136, 188750), (114005, 184000), (115000, 182408), (120800, 173650), (138920, 151000)]