20531574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3467}}^1$

素因数の和:3529

約数の個数: 48

約数和(自身を含む): 51936768

約数和(自身を除く): 31405194

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, 3467, 5922, 6934, 10401, 20802, 24269, 31203, 48538, 62406, 72807, 145614, 162949, 218421, 325898, 436842, 488847, 977694, 1140643, 1466541, 2281286, 2933082, 3421929, 6843858, 10265787, 20531574]

約数ペア:

[(1, 20531574), (2, 10265787), (3, 6843858), (6, 3421929), (7, 2933082), (9, 2281286), (14, 1466541), (18, 1140643), (21, 977694), (42, 488847), (47, 436842), (63, 325898), (94, 218421), (126, 162949), (141, 145614), (282, 72807), (329, 62406), (423, 48538), (658, 31203), (846, 24269), (987, 20802), (1974, 10401), (2961, 6934), (3467, 5922)]