20775300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:798

約数の個数: 144

約数和(自身を含む): 74078592

約数和(自身を除く): 53303292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 761, 780, 910, 975, 1050, 1092, 1300, 1365, 1522, 1820, 1950, 2100, 2275, 2283, 2730, 3044, 3805, 3900, 4550, 4566, 5327, 5460, 6825, 7610, 9100, 9132, 9893, 10654, 11415, 13650, 15220, 15981, 19025, 19786, 21308, 22830, 26635, 27300, 29679, 31962, 38050, 39572, 45660, 49465, 53270, 57075, 59358, 63924, 69251, 76100, 79905, 98930, 106540, 114150, 118716, 133175, 138502, 148395, 159810, 197860, 207753, 228300, 247325, 266350, 277004, 296790, 319620, 346255, 399525, 415506, 494650, 532700, 593580, 692510, 741975, 799050, 831012, 989300, 1038765, 1385020, 1483950, 1598100, 1731275, 2077530, 2967900, 3462550, 4155060, 5193825, 6925100, 10387650, 20775300]

約数ペア:

[(1, 20775300), (2, 10387650), (3, 6925100), (4, 5193825), (5, 4155060), (6, 3462550), (7, 2967900), (10, 2077530), (12, 1731275), (13, 1598100), (14, 1483950), (15, 1385020), (20, 1038765), (21, 989300), (25, 831012), (26, 799050), (28, 741975), (30, 692510), (35, 593580), (39, 532700), (42, 494650), (50, 415506), (52, 399525), (60, 346255), (65, 319620), (70, 296790), (75, 277004), (78, 266350), (84, 247325), (91, 228300), (100, 207753), (105, 197860), (130, 159810), (140, 148395), (150, 138502), (156, 133175), (175, 118716), (182, 114150), (195, 106540), (210, 98930), (260, 79905), (273, 76100), (300, 69251), (325, 63924), (350, 59358), (364, 57075), (390, 53270), (420, 49465), (455, 45660), (525, 39572), (546, 38050), (650, 31962), (700, 29679), (761, 27300), (780, 26635), (910, 22830), (975, 21308), (1050, 19786), (1092, 19025), (1300, 15981), (1365, 15220), (1522, 13650), (1820, 11415), (1950, 10654), (2100, 9893), (2275, 9132), (2283, 9100), (2730, 7610), (3044, 6825), (3805, 5460), (3900, 5327), (4550, 4566)]