20318890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^3\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 18146390

約数列:

[1, 2, 5, 10, 23, 46, 115, 167, 230, 334, 529, 835, 1058, 1670, 2645, 3841, 5290, 7682, 12167, 19205, 24334, 38410, 60835, 88343, 121670, 176686, 441715, 883430, 2031889, 4063778, 10159445, 20318890]

約数ペア:

[(1, 20318890), (2, 10159445), (5, 4063778), (10, 2031889), (23, 883430), (46, 441715), (115, 176686), (167, 121670), (230, 88343), (334, 60835), (529, 38410), (835, 24334), (1058, 19205), (1670, 12167), (2645, 7682), (3841, 5290)]