20798870404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{32939}}^1\times {\mathrm{12143}}^1$

素因数の和:45099

約数の個数: 24

約数和(自身を含む): 39202289280

約数和(自身を除く): 18403418876

約数列:

[1, 2, 4, 13, 26, 52, 12143, 24286, 32939, 48572, 65878, 131756, 157859, 315718, 428207, 631436, 856414, 1712828, 399978277, 799956554, 1599913108, 5199717601, 10399435202, 20798870404]

約数ペア:

[(1, 20798870404), (2, 10399435202), (4, 5199717601), (13, 1599913108), (26, 799956554), (52, 399978277), (12143, 1712828), (24286, 856414), (32939, 631436), (48572, 428207), (65878, 315718), (131756, 157859)]