20221136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1451}}^1$

素因数の和:1539

約数の個数: 40

約数和(自身を含む): 42851424

約数和(自身を除く): 22630288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1451, 1742, 2902, 3484, 5804, 6968, 11608, 13936, 18863, 23216, 37726, 75452, 97217, 150904, 194434, 301808, 388868, 777736, 1263821, 1555472, 2527642, 5055284, 10110568, 20221136]

約数ペア:

[(1, 20221136), (2, 10110568), (4, 5055284), (8, 2527642), (13, 1555472), (16, 1263821), (26, 777736), (52, 388868), (67, 301808), (104, 194434), (134, 150904), (208, 97217), (268, 75452), (536, 37726), (871, 23216), (1072, 18863), (1451, 13936), (1742, 11608), (2902, 6968), (3484, 5804)]