20142790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2521}}^1$

素因数の和:2592

約数の個数: 32

約数和(自身を含む): 39222144

約数和(自身を除く): 19079354

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2521, 3995, 5042, 7990, 12605, 25210, 42857, 85714, 118487, 214285, 236974, 428570, 592435, 1184870, 2014279, 4028558, 10071395, 20142790]

約数ペア:

[(1, 20142790), (2, 10071395), (5, 4028558), (10, 2014279), (17, 1184870), (34, 592435), (47, 428570), (85, 236974), (94, 214285), (170, 118487), (235, 85714), (470, 42857), (799, 25210), (1598, 12605), (2521, 7990), (3995, 5042)]