20786886

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67931}}^1$

素因数の和:67956

約数の個数: 24

約数和(自身を含む): 47688264

約数和(自身を除く): 26901378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67931, 135862, 203793, 407586, 611379, 1154827, 1222758, 2309654, 3464481, 6928962, 10393443, 20786886]

約数ペア:

[(1, 20786886), (2, 10393443), (3, 6928962), (6, 3464481), (9, 2309654), (17, 1222758), (18, 1154827), (34, 611379), (51, 407586), (102, 203793), (153, 135862), (306, 67931)]