20145981410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1\times {\mathrm{1993}}^1$

素因数の和:2727

約数の個数: 64

約数和(自身を含む): 38874481632

約数和(自身を除く): 18728500222

約数列:

[1, 2, 5, 10, 17, 34, 85, 97, 170, 194, 485, 613, 970, 1226, 1649, 1993, 3065, 3298, 3986, 6130, 8245, 9965, 10421, 16490, 19930, 20842, 33881, 52105, 59461, 67762, 104210, 118922, 169405, 193321, 297305, 338810, 386642, 594610, 966605, 1010837, 1221709, 1933210, 2021674, 2443418, 3286457, 5054185, 6108545, 6572914, 10108370, 12217090, 16432285, 20769053, 32864570, 41538106, 103845265, 118505773, 207690530, 237011546, 592528865, 1185057730, 2014598141, 4029196282, 10072990705, 20145981410]

約数ペア:

[(1, 20145981410), (2, 10072990705), (5, 4029196282), (10, 2014598141), (17, 1185057730), (34, 592528865), (85, 237011546), (97, 207690530), (170, 118505773), (194, 103845265), (485, 41538106), (613, 32864570), (970, 20769053), (1226, 16432285), (1649, 12217090), (1993, 10108370), (3065, 6572914), (3298, 6108545), (3986, 5054185), (6130, 3286457), (8245, 2443418), (9965, 2021674), (10421, 1933210), (16490, 1221709), (19930, 1010837), (20842, 966605), (33881, 594610), (52105, 386642), (59461, 338810), (67762, 297305), (104210, 193321), (118922, 169405)]