20945134

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2243}}^1$

素因数の和:2304

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 17831186

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 2243, 4486, 4669, 9338, 15701, 31402, 51589, 65047, 103178, 130094, 361123, 455329, 722246, 910658, 1496081, 2992162, 10472567, 20945134]

約数ペア:

[(1, 20945134), (2, 10472567), (7, 2992162), (14, 1496081), (23, 910658), (29, 722246), (46, 455329), (58, 361123), (161, 130094), (203, 103178), (322, 65047), (406, 51589), (667, 31402), (1334, 15701), (2243, 9338), (4486, 4669)]