20342227709

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 21983284224

約数和(自身を除く): 1641056515

約数列:

[1, 23, 43, 163, 257, 491, 989, 3749, 5911, 7009, 11051, 11293, 21113, 41891, 80033, 126187, 161207, 254173, 485599, 963493, 1801313, 1840759, 2902301, 3441419, 5426041, 20568481, 41430199, 79152637, 124798943, 473075063, 884444683, 20342227709]

約数ペア:

[(1, 20342227709), (23, 884444683), (43, 473075063), (163, 124798943), (257, 79152637), (491, 41430199), (989, 20568481), (3749, 5426041), (5911, 3441419), (7009, 2902301), (11051, 1840759), (11293, 1801313), (21113, 963493), (41891, 485599), (80033, 254173), (126187, 161207)]