20784433906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{29021}}^1$

素因数の和:29490

約数の個数: 32

約数和(自身を含む): 33600510720

約数和(自身を除く): 12816076814

約数列:

[1, 2, 19, 38, 47, 94, 401, 802, 893, 1786, 7619, 15238, 18847, 29021, 37694, 58042, 358093, 551399, 716186, 1102798, 1363987, 2727974, 11637421, 23274842, 25915753, 51831506, 221110999, 442221998, 546958787, 1093917574, 10392216953, 20784433906]

約数ペア:

[(1, 20784433906), (2, 10392216953), (19, 1093917574), (38, 546958787), (47, 442221998), (94, 221110999), (401, 51831506), (802, 25915753), (893, 23274842), (1786, 11637421), (7619, 2727974), (15238, 1363987), (18847, 1102798), (29021, 716186), (37694, 551399), (58042, 358093)]