20703270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 57148416

約数和(自身を除く): 36445146

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 311, 317, 622, 634, 933, 951, 1555, 1585, 1866, 1902, 2177, 2219, 3110, 3170, 4354, 4438, 4665, 4755, 6531, 6657, 9330, 9510, 10885, 11095, 13062, 13314, 21770, 22190, 32655, 33285, 65310, 66570, 98587, 197174, 295761, 492935, 591522, 690109, 985870, 1380218, 1478805, 2070327, 2957610, 3450545, 4140654, 6901090, 10351635, 20703270]

約数ペア:

[(1, 20703270), (2, 10351635), (3, 6901090), (5, 4140654), (6, 3450545), (7, 2957610), (10, 2070327), (14, 1478805), (15, 1380218), (21, 985870), (30, 690109), (35, 591522), (42, 492935), (70, 295761), (105, 197174), (210, 98587), (311, 66570), (317, 65310), (622, 33285), (634, 32655), (933, 22190), (951, 21770), (1555, 13314), (1585, 13062), (1866, 11095), (1902, 10885), (2177, 9510), (2219, 9330), (3110, 6657), (3170, 6531), (4354, 4755), (4438, 4665)]