20330572

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 38767960

約数和(自身を除く): 18437388

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 409, 578, 731, 818, 1156, 1462, 1636, 2924, 6953, 12427, 13906, 17587, 24854, 27812, 35174, 49708, 70348, 118201, 236402, 298979, 472804, 597958, 1195916, 5082643, 10165286, 20330572]

約数ペア:

[(1, 20330572), (2, 10165286), (4, 5082643), (17, 1195916), (34, 597958), (43, 472804), (68, 298979), (86, 236402), (172, 118201), (289, 70348), (409, 49708), (578, 35174), (731, 27812), (818, 24854), (1156, 17587), (1462, 13906), (1636, 12427), (2924, 6953)]