20187464402

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{134851}}^1$

素因数の和:134931

約数の個数: 48

約数和(自身を含む): 37756402368

約数和(自身を除く): 17568937966

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 289, 518, 578, 629, 1258, 2023, 4046, 4403, 8806, 10693, 21386, 74851, 134851, 149702, 269702, 943957, 1887914, 2292467, 4584934, 4989487, 9978974, 16047269, 32094538, 34926409, 38971939, 69852818, 77943878, 84821279, 169642558, 272803573, 545607146, 593748953, 1187497906, 1441961743, 2883923486, 10093732201, 20187464402]

約数ペア:

[(1, 20187464402), (2, 10093732201), (7, 2883923486), (14, 1441961743), (17, 1187497906), (34, 593748953), (37, 545607146), (74, 272803573), (119, 169642558), (238, 84821279), (259, 77943878), (289, 69852818), (518, 38971939), (578, 34926409), (629, 32094538), (1258, 16047269), (2023, 9978974), (4046, 4989487), (4403, 4584934), (8806, 2292467), (10693, 1887914), (21386, 943957), (74851, 269702), (134851, 149702)]