20631992

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 40424400

約数和(自身を除く): 19792408

約数列:

[1, 2, 4, 8, 29, 58, 113, 116, 226, 232, 452, 787, 904, 1574, 3148, 3277, 6296, 6554, 13108, 22823, 26216, 45646, 88931, 91292, 177862, 182584, 355724, 711448, 2578999, 5157998, 10315996, 20631992]

約数ペア:

[(1, 20631992), (2, 10315996), (4, 5157998), (8, 2578999), (29, 711448), (58, 355724), (113, 182584), (116, 177862), (226, 91292), (232, 88931), (452, 45646), (787, 26216), (904, 22823), (1574, 13108), (3148, 6554), (3277, 6296)]