20522560

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1087}}^1$

素因数の和:1163

約数の個数: 56

約数和(自身を含む): 49743360

約数和(自身を除く): 29220800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1087, 1180, 1888, 2174, 2360, 3776, 4348, 4720, 5435, 8696, 9440, 10870, 17392, 18880, 21740, 34784, 43480, 64133, 69568, 86960, 128266, 173920, 256532, 320665, 347840, 513064, 641330, 1026128, 1282660, 2052256, 2565320, 4104512, 5130640, 10261280, 20522560]

約数ペア:

[(1, 20522560), (2, 10261280), (4, 5130640), (5, 4104512), (8, 2565320), (10, 2052256), (16, 1282660), (20, 1026128), (32, 641330), (40, 513064), (59, 347840), (64, 320665), (80, 256532), (118, 173920), (160, 128266), (236, 86960), (295, 69568), (320, 64133), (472, 43480), (590, 34784), (944, 21740), (1087, 18880), (1180, 17392), (1888, 10870), (2174, 9440), (2360, 8696), (3776, 5435), (4348, 4720)]