20391372

素因数分解:

$2^2\times 3^3\times {\mathrm{349}}^1\times {\mathrm{541}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 53116000

約数和(自身を除く): 32724628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 349, 541, 698, 1047, 1082, 1396, 1623, 2094, 2164, 3141, 3246, 4188, 4869, 6282, 6492, 9423, 9738, 12564, 14607, 18846, 19476, 29214, 37692, 58428, 188809, 377618, 566427, 755236, 1132854, 1699281, 2265708, 3398562, 5097843, 6797124, 10195686, 20391372]

約数ペア:

[(1, 20391372), (2, 10195686), (3, 6797124), (4, 5097843), (6, 3398562), (9, 2265708), (12, 1699281), (18, 1132854), (27, 755236), (36, 566427), (54, 377618), (108, 188809), (349, 58428), (541, 37692), (698, 29214), (1047, 19476), (1082, 18846), (1396, 14607), (1623, 12564), (2094, 9738), (2164, 9423), (3141, 6492), (3246, 6282), (4188, 4869)]