20201021565

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1\times {\mathrm{15877}}^1$

素因数の和:16469

約数の個数: 32

約数和(自身を含む): 32546597376

約数和(自身を除く): 12345575811

約数列:

[1, 3, 5, 15, 271, 313, 813, 939, 1355, 1565, 4065, 4695, 15877, 47631, 79385, 84823, 238155, 254469, 424115, 1272345, 4302667, 4969501, 12908001, 14908503, 21513335, 24847505, 64540005, 74542515, 1346734771, 4040204313, 6733673855, 20201021565]

約数ペア:

[(1, 20201021565), (3, 6733673855), (5, 4040204313), (15, 1346734771), (271, 74542515), (313, 64540005), (813, 24847505), (939, 21513335), (1355, 14908503), (1565, 12908001), (4065, 4969501), (4695, 4302667), (15877, 1272345), (47631, 424115), (79385, 254469), (84823, 238155)]