20162988748

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1\times {\mathrm{9931}}^1$

素因数の和:11230

約数の個数: 48

約数和(自身を含む): 41046969600

約数和(自身を除く): 20883980852

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1229, 1652, 2458, 4916, 8603, 9931, 17206, 19862, 34412, 39724, 69517, 72511, 139034, 145022, 278068, 290044, 507577, 585929, 1015154, 1171858, 2030308, 2343716, 4101503, 8203006, 12205199, 16406012, 24410398, 48820796, 85436393, 170872786, 341745572, 720106741, 1440213482, 2880426964, 5040747187, 10081494374, 20162988748]

約数ペア:

[(1, 20162988748), (2, 10081494374), (4, 5040747187), (7, 2880426964), (14, 1440213482), (28, 720106741), (59, 341745572), (118, 170872786), (236, 85436393), (413, 48820796), (826, 24410398), (1229, 16406012), (1652, 12205199), (2458, 8203006), (4916, 4101503), (8603, 2343716), (9931, 2030308), (17206, 1171858), (19862, 1015154), (34412, 585929), (39724, 507577), (69517, 290044), (72511, 278068), (139034, 145022)]