20778737535

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{64123}}^1$

素因数の和:64532

約数の個数: 48

約数和(自身を含む): 38012707200

約数和(自身を除く): 17233969665

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 379, 855, 1137, 1895, 3411, 5685, 7201, 17055, 21603, 36005, 64123, 64809, 108015, 192369, 320615, 324045, 577107, 961845, 1218337, 2885535, 3655011, 6091685, 10965033, 18275055, 24302617, 54825165, 72907851, 121513085, 218723553, 364539255, 461749723, 1093617765, 1385249169, 2308748615, 4155747507, 6926245845, 20778737535]

約数ペア:

[(1, 20778737535), (3, 6926245845), (5, 4155747507), (9, 2308748615), (15, 1385249169), (19, 1093617765), (45, 461749723), (57, 364539255), (95, 218723553), (171, 121513085), (285, 72907851), (379, 54825165), (855, 24302617), (1137, 18275055), (1895, 10965033), (3411, 6091685), (5685, 3655011), (7201, 2885535), (17055, 1218337), (21603, 961845), (36005, 577107), (64123, 324045), (64809, 320615), (108015, 192369)]