20810370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2475

約数の個数: 64

約数和(自身を含む): 58496256

約数和(自身を除く): 37685886

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2417, 2870, 4305, 4834, 7251, 8610, 12085, 14502, 16919, 24170, 33838, 36255, 50757, 72510, 84595, 99097, 101514, 169190, 198194, 253785, 297291, 495485, 507570, 594582, 693679, 990970, 1387358, 1486455, 2081037, 2972910, 3468395, 4162074, 6936790, 10405185, 20810370]

約数ペア:

[(1, 20810370), (2, 10405185), (3, 6936790), (5, 4162074), (6, 3468395), (7, 2972910), (10, 2081037), (14, 1486455), (15, 1387358), (21, 990970), (30, 693679), (35, 594582), (41, 507570), (42, 495485), (70, 297291), (82, 253785), (105, 198194), (123, 169190), (205, 101514), (210, 99097), (246, 84595), (287, 72510), (410, 50757), (574, 36255), (615, 33838), (861, 24170), (1230, 16919), (1435, 14502), (1722, 12085), (2417, 8610), (2870, 7251), (4305, 4834)]