20037710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 45909504

約数和(自身を除く): 25871794

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 491, 530, 583, 742, 770, 982, 1166, 1855, 2455, 2915, 3437, 3710, 4081, 4910, 5401, 5830, 6874, 8162, 10802, 17185, 20405, 26023, 27005, 34370, 37807, 40810, 52046, 54010, 75614, 130115, 182161, 189035, 260230, 286253, 364322, 378070, 572506, 910805, 1431265, 1821610, 2003771, 2862530, 4007542, 10018855, 20037710]

約数ペア:

[(1, 20037710), (2, 10018855), (5, 4007542), (7, 2862530), (10, 2003771), (11, 1821610), (14, 1431265), (22, 910805), (35, 572506), (53, 378070), (55, 364322), (70, 286253), (77, 260230), (106, 189035), (110, 182161), (154, 130115), (265, 75614), (371, 54010), (385, 52046), (491, 40810), (530, 37807), (583, 34370), (742, 27005), (770, 26023), (982, 20405), (1166, 17185), (1855, 10802), (2455, 8162), (2915, 6874), (3437, 5830), (3710, 5401), (4081, 4910)]