19979664

素因数分解:

$2^4\times 3^1\times {\mathrm{416243}}^1$

素因数の和:416254

約数の個数: 20

約数和(自身を含む): 51614256

約数和(自身を除く): 31634592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 416243, 832486, 1248729, 1664972, 2497458, 3329944, 4994916, 6659888, 9989832, 19979664]

約数ペア:

[(1, 19979664), (2, 9989832), (3, 6659888), (4, 4994916), (6, 3329944), (8, 2497458), (12, 1664972), (16, 1248729), (24, 832486), (48, 416243)]