20071115

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 24772608

約数和(自身を除く): 4701493

約数列:

[1, 5, 47, 223, 235, 383, 1115, 1915, 10481, 18001, 52405, 85409, 90005, 427045, 4014223, 20071115]

約数ペア:

[(1, 20071115), (5, 4014223), (47, 427045), (223, 90005), (235, 85409), (383, 52405), (1115, 18001), (1915, 10481)]