20692065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 35502336

約数和(自身を除く): 14810271

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1621, 2553, 4255, 4863, 8105, 12765, 24315, 37283, 59977, 111849, 179931, 186415, 299885, 559245, 899655, 1379471, 4138413, 6897355, 20692065]

約数ペア:

[(1, 20692065), (3, 6897355), (5, 4138413), (15, 1379471), (23, 899655), (37, 559245), (69, 299885), (111, 186415), (115, 179931), (185, 111849), (345, 59977), (555, 37283), (851, 24315), (1621, 12765), (2553, 8105), (4255, 4863)]