20701009898

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{42073}}^1$

素因数の和:42282

約数の個数: 32

約数和(自身を含む): 32711693520

約数和(自身を除く): 12010683622

約数列:

[1, 2, 37, 61, 74, 109, 122, 218, 2257, 4033, 4514, 6649, 8066, 13298, 42073, 84146, 246013, 492026, 1556701, 2566453, 3113402, 4585957, 5132906, 9171914, 94958761, 169680409, 189917522, 279743377, 339360818, 559486754, 10350504949, 20701009898]

約数ペア:

[(1, 20701009898), (2, 10350504949), (37, 559486754), (61, 339360818), (74, 279743377), (109, 189917522), (122, 169680409), (218, 94958761), (2257, 9171914), (4033, 5132906), (4514, 4585957), (6649, 3113402), (8066, 2566453), (13298, 1556701), (42073, 492026), (84146, 246013)]