20212494

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 41712000

約数和(自身を除く): 21499506

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 499, 942, 998, 1497, 2994, 6751, 13502, 20253, 21457, 40506, 42914, 64371, 78343, 128742, 156686, 235029, 470058, 3368749, 6737498, 10106247, 20212494]

約数ペア:

[(1, 20212494), (2, 10106247), (3, 6737498), (6, 3368749), (43, 470058), (86, 235029), (129, 156686), (157, 128742), (258, 78343), (314, 64371), (471, 42914), (499, 40506), (942, 21457), (998, 20253), (1497, 13502), (2994, 6751)]