20144695900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{21589}}^1$

素因数の和:21684

約数の個数: 144

約数和(自身を含む): 52772177920

約数和(自身を除く): 32627482020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 43, 50, 62, 70, 86, 100, 124, 140, 155, 172, 175, 215, 217, 301, 310, 350, 430, 434, 602, 620, 700, 775, 860, 868, 1075, 1085, 1204, 1333, 1505, 1550, 2150, 2170, 2666, 3010, 3100, 4300, 4340, 5332, 5425, 6020, 6665, 7525, 9331, 10850, 13330, 15050, 18662, 21589, 21700, 26660, 30100, 33325, 37324, 43178, 46655, 66650, 86356, 93310, 107945, 133300, 151123, 186620, 215890, 233275, 302246, 431780, 466550, 539725, 604492, 669259, 755615, 928327, 933100, 1079450, 1338518, 1511230, 1856654, 2158900, 2677036, 3022460, 3346295, 3713308, 3778075, 4641635, 4684813, 6498289, 6692590, 7556150, 9283270, 9369626, 12996578, 13385180, 15112300, 16731475, 18566540, 18739252, 23208175, 23424065, 25993156, 28778137, 32491445, 33462950, 46416350, 46848130, 57556274, 64982890, 66925900, 92832700, 93696260, 115112548, 117120325, 129965780, 143890685, 162457225, 201446959, 234240650, 287781370, 324914450, 402893918, 468481300, 575562740, 649828900, 719453425, 805787836, 1007234795, 1438906850, 2014469590, 2877813700, 4028939180, 5036173975, 10072347950, 20144695900]

約数ペア:

[(1, 20144695900), (2, 10072347950), (4, 5036173975), (5, 4028939180), (7, 2877813700), (10, 2014469590), (14, 1438906850), (20, 1007234795), (25, 805787836), (28, 719453425), (31, 649828900), (35, 575562740), (43, 468481300), (50, 402893918), (62, 324914450), (70, 287781370), (86, 234240650), (100, 201446959), (124, 162457225), (140, 143890685), (155, 129965780), (172, 117120325), (175, 115112548), (215, 93696260), (217, 92832700), (301, 66925900), (310, 64982890), (350, 57556274), (430, 46848130), (434, 46416350), (602, 33462950), (620, 32491445), (700, 28778137), (775, 25993156), (860, 23424065), (868, 23208175), (1075, 18739252), (1085, 18566540), (1204, 16731475), (1333, 15112300), (1505, 13385180), (1550, 12996578), (2150, 9369626), (2170, 9283270), (2666, 7556150), (3010, 6692590), (3100, 6498289), (4300, 4684813), (4340, 4641635), (5332, 3778075), (5425, 3713308), (6020, 3346295), (6665, 3022460), (7525, 2677036), (9331, 2158900), (10850, 1856654), (13330, 1511230), (15050, 1338518), (18662, 1079450), (21589, 933100), (21700, 928327), (26660, 755615), (30100, 669259), (33325, 604492), (37324, 539725), (43178, 466550), (46655, 431780), (66650, 302246), (86356, 233275), (93310, 215890), (107945, 186620), (133300, 151123)]