20684072655

素因数分解:

$3^3\times 5^1\times {\mathrm{30119}}^1\times {\mathrm{5087}}^1$

素因数の和:35220

約数の個数: 32

約数和(自身を含む): 36780134400

約数和(自身を除く): 16096061745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 5087, 15261, 25435, 30119, 45783, 76305, 90357, 137349, 150595, 228915, 271071, 451785, 686745, 813213, 1355355, 4066065, 153215353, 459646059, 766076765, 1378938177, 2298230295, 4136814531, 6894690885, 20684072655]

約数ペア:

[(1, 20684072655), (3, 6894690885), (5, 4136814531), (9, 2298230295), (15, 1378938177), (27, 766076765), (45, 459646059), (135, 153215353), (5087, 4066065), (15261, 1355355), (25435, 813213), (30119, 686745), (45783, 451785), (76305, 271071), (90357, 228915), (137349, 150595)]