20673702

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3491}}^1$

素因数の和:3553

約数の個数: 48

約数和(自身を含む): 52296192

約数和(自身を除く): 31622490

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3491, 5922, 6982, 10473, 20946, 24437, 31419, 48874, 62838, 73311, 146622, 164077, 219933, 328154, 439866, 492231, 984462, 1148539, 1476693, 2297078, 2953386, 3445617, 6891234, 10336851, 20673702]

約数ペア:

[(1, 20673702), (2, 10336851), (3, 6891234), (6, 3445617), (7, 2953386), (9, 2297078), (14, 1476693), (18, 1148539), (21, 984462), (42, 492231), (47, 439866), (63, 328154), (94, 219933), (126, 164077), (141, 146622), (282, 73311), (329, 62838), (423, 48874), (658, 31419), (846, 24437), (987, 20946), (1974, 10473), (2961, 6982), (3491, 5922)]