20449030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4789}}^1$

素因数の和:4864

約数の個数: 32

約数和(自身を含む): 42765120

約数和(自身を除く): 22316090

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4789, 9578, 23945, 33523, 47890, 67046, 167615, 292129, 335230, 584258, 1460645, 2044903, 2921290, 4089806, 10224515, 20449030]

約数ペア:

[(1, 20449030), (2, 10224515), (5, 4089806), (7, 2921290), (10, 2044903), (14, 1460645), (35, 584258), (61, 335230), (70, 292129), (122, 167615), (305, 67046), (427, 47890), (610, 33523), (854, 23945), (2135, 9578), (4270, 4789)]