20123154

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4052

約数の個数: 40

約数和(自身を含む): 46556928

約数和(自身を除く): 26433774

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4007, 5022, 8014, 12021, 24042, 36063, 72126, 108189, 124217, 216378, 248434, 324567, 372651, 649134, 745302, 1117953, 2235906, 3353859, 6707718, 10061577, 20123154]

約数ペア:

[(1, 20123154), (2, 10061577), (3, 6707718), (6, 3353859), (9, 2235906), (18, 1117953), (27, 745302), (31, 649134), (54, 372651), (62, 324567), (81, 248434), (93, 216378), (162, 124217), (186, 108189), (279, 72126), (558, 36063), (837, 24042), (1674, 12021), (2511, 8014), (4007, 5022)]