20293770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2357}}^1$

素因数の和:2415

約数の個数: 64

約数和(自身を含む): 57044736

約数和(自身を除く): 36750966

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, 2357, 2870, 4305, 4714, 7071, 8610, 11785, 14142, 16499, 23570, 32998, 35355, 49497, 70710, 82495, 96637, 98994, 164990, 193274, 247485, 289911, 483185, 494970, 579822, 676459, 966370, 1352918, 1449555, 2029377, 2899110, 3382295, 4058754, 6764590, 10146885, 20293770]

約数ペア:

[(1, 20293770), (2, 10146885), (3, 6764590), (5, 4058754), (6, 3382295), (7, 2899110), (10, 2029377), (14, 1449555), (15, 1352918), (21, 966370), (30, 676459), (35, 579822), (41, 494970), (42, 483185), (70, 289911), (82, 247485), (105, 193274), (123, 164990), (205, 98994), (210, 96637), (246, 82495), (287, 70710), (410, 49497), (574, 35355), (615, 32998), (861, 23570), (1230, 16499), (1435, 14142), (1722, 11785), (2357, 8610), (2870, 7071), (4305, 4714)]