20477976

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19843}}^1$

素因数の和:19895

約数の個数: 32

約数和(自身を含む): 52388160

約数和(自身を除く): 31910184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19843, 39686, 59529, 79372, 119058, 158744, 238116, 476232, 853249, 1706498, 2559747, 3412996, 5119494, 6825992, 10238988, 20477976]

約数ペア:

[(1, 20477976), (2, 10238988), (3, 6825992), (4, 5119494), (6, 3412996), (8, 2559747), (12, 1706498), (24, 853249), (43, 476232), (86, 238116), (129, 158744), (172, 119058), (258, 79372), (344, 59529), (516, 39686), (1032, 19843)]