20104065

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 36034560

約数和(自身を除く): 15930495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1087, 1233, 2055, 3261, 3699, 5435, 6165, 9783, 16305, 18495, 29349, 48915, 146745, 148919, 446757, 744595, 1340271, 2233785, 4020813, 6701355, 20104065]

約数ペア:

[(1, 20104065), (3, 6701355), (5, 4020813), (9, 2233785), (15, 1340271), (27, 744595), (45, 446757), (135, 148919), (137, 146745), (411, 48915), (685, 29349), (1087, 18495), (1233, 16305), (2055, 9783), (3261, 6165), (3699, 5435)]