20218512

素因数分解:

$2^4\times 3^1\times {\mathrm{281}}^1\times {\mathrm{1499}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 52452000

約数和(自身を除く): 32233488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 281, 562, 843, 1124, 1499, 1686, 2248, 2998, 3372, 4496, 4497, 5996, 6744, 8994, 11992, 13488, 17988, 23984, 35976, 71952, 421219, 842438, 1263657, 1684876, 2527314, 3369752, 5054628, 6739504, 10109256, 20218512]

約数ペア:

[(1, 20218512), (2, 10109256), (3, 6739504), (4, 5054628), (6, 3369752), (8, 2527314), (12, 1684876), (16, 1263657), (24, 842438), (48, 421219), (281, 71952), (562, 35976), (843, 23984), (1124, 17988), (1499, 13488), (1686, 11992), (2248, 8994), (2998, 6744), (3372, 5996), (4496, 4497)]