20361470

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 38052288

約数和(自身を除く): 17690818

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 487, 565, 974, 1130, 2435, 4181, 4870, 8362, 18019, 20905, 36038, 41810, 55031, 90095, 110062, 180190, 275155, 550310, 2036147, 4072294, 10180735, 20361470]

約数ペア:

[(1, 20361470), (2, 10180735), (5, 4072294), (10, 2036147), (37, 550310), (74, 275155), (113, 180190), (185, 110062), (226, 90095), (370, 55031), (487, 41810), (565, 36038), (974, 20905), (1130, 18019), (2435, 8362), (4181, 4870)]