20374970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 46780416

約数和(自身を除く): 26405446

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 47, 55, 70, 77, 94, 110, 154, 235, 329, 385, 470, 517, 563, 658, 770, 1034, 1126, 1645, 2585, 2815, 3290, 3619, 3941, 5170, 5630, 6193, 7238, 7882, 12386, 18095, 19705, 26461, 30965, 36190, 39410, 43351, 52922, 61930, 86702, 132305, 185227, 216755, 264610, 291071, 370454, 433510, 582142, 926135, 1455355, 1852270, 2037497, 2910710, 4074994, 10187485, 20374970]

約数ペア:

[(1, 20374970), (2, 10187485), (5, 4074994), (7, 2910710), (10, 2037497), (11, 1852270), (14, 1455355), (22, 926135), (35, 582142), (47, 433510), (55, 370454), (70, 291071), (77, 264610), (94, 216755), (110, 185227), (154, 132305), (235, 86702), (329, 61930), (385, 52922), (470, 43351), (517, 39410), (563, 36190), (658, 30965), (770, 26461), (1034, 19705), (1126, 18095), (1645, 12386), (2585, 7882), (2815, 7238), (3290, 6193), (3619, 5630), (3941, 5170)]