20175668751

素因数分解:

$3^1\times 7^1\times {\mathrm{15643}}^1\times {\mathrm{61417}}^1$

素因数の和:77070

約数の個数: 16

約数和(自身を含む): 30746342144

約数和(自身を除く): 10570673393

約数列:

[1, 3, 7, 21, 15643, 46929, 61417, 109501, 184251, 328503, 429919, 1289757, 960746131, 2882238393, 6725222917, 20175668751]

約数ペア:

[(1, 20175668751), (3, 6725222917), (7, 2882238393), (21, 960746131), (15643, 1289757), (46929, 429919), (61417, 328503), (109501, 184251)]