20132360720

素因数分解:

$2^4\times 5^1\times {\mathrm{11321}}^1\times {\mathrm{22229}}^1$

素因数の和:33563

約数の個数: 40

約数和(自身を含む): 46813979160

約数和(自身を除く): 26681618440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11321, 22229, 22642, 44458, 45284, 56605, 88916, 90568, 111145, 113210, 177832, 181136, 222290, 226420, 355664, 444580, 452840, 889160, 905680, 1778320, 251654509, 503309018, 1006618036, 1258272545, 2013236072, 2516545090, 4026472144, 5033090180, 10066180360, 20132360720]

約数ペア:

[(1, 20132360720), (2, 10066180360), (4, 5033090180), (5, 4026472144), (8, 2516545090), (10, 2013236072), (16, 1258272545), (20, 1006618036), (40, 503309018), (80, 251654509), (11321, 1778320), (22229, 905680), (22642, 889160), (44458, 452840), (45284, 444580), (56605, 355664), (88916, 226420), (90568, 222290), (111145, 181136), (113210, 177832)]