20155935

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 34583040

約数和(自身を除く): 14427105

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1579, 2553, 4255, 4737, 7895, 12765, 23685, 36317, 58423, 108951, 175269, 181585, 292115, 544755, 876345, 1343729, 4031187, 6718645, 20155935]

約数ペア:

[(1, 20155935), (3, 6718645), (5, 4031187), (15, 1343729), (23, 876345), (37, 544755), (69, 292115), (111, 181585), (115, 175269), (185, 108951), (345, 58423), (555, 36317), (851, 23685), (1579, 12765), (2553, 7895), (4255, 4737)]