20158711905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{460087}}^1$

素因数の和:460245

約数の個数: 32

約数和(自身を含む): 33921368064

約数和(自身を除く): 13762656159

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 635, 1905, 2921, 8763, 14605, 43815, 460087, 1380261, 2300435, 6901305, 10582001, 31746003, 52910005, 58431049, 158730015, 175293147, 292155245, 876465735, 1343914127, 4031742381, 6719570635, 20158711905]

約数ペア:

[(1, 20158711905), (3, 6719570635), (5, 4031742381), (15, 1343914127), (23, 876465735), (69, 292155245), (115, 175293147), (127, 158730015), (345, 58431049), (381, 52910005), (635, 31746003), (1905, 10582001), (2921, 6901305), (8763, 2300435), (14605, 1380261), (43815, 460087)]