20896305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14956239

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1637, 2553, 4255, 4911, 8185, 12765, 24555, 37651, 60569, 112953, 181707, 188255, 302845, 564765, 908535, 1393087, 4179261, 6965435, 20896305]

約数ペア:

[(1, 20896305), (3, 6965435), (5, 4179261), (15, 1393087), (23, 908535), (37, 564765), (69, 302845), (111, 188255), (115, 181707), (185, 112953), (345, 60569), (555, 37651), (851, 24555), (1637, 12765), (2553, 8185), (4255, 4911)]