20645784

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6101}}^1$

素因数の和:6160

約数の個数: 48

約数和(自身を含む): 57114720

約数和(自身を除く): 36468936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6101, 12202, 18303, 24404, 36606, 48808, 54909, 73212, 109818, 146424, 219636, 286747, 439272, 573494, 860241, 1146988, 1720482, 2293976, 2580723, 3440964, 5161446, 6881928, 10322892, 20645784]

約数ペア:

[(1, 20645784), (2, 10322892), (3, 6881928), (4, 5161446), (6, 3440964), (8, 2580723), (9, 2293976), (12, 1720482), (18, 1146988), (24, 860241), (36, 573494), (47, 439272), (72, 286747), (94, 219636), (141, 146424), (188, 109818), (282, 73212), (376, 54909), (423, 48808), (564, 36606), (846, 24404), (1128, 18303), (1692, 12202), (3384, 6101)]