20147772

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 48545280

約数和(自身を除く): 28397508

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 139, 141, 188, 257, 278, 282, 417, 514, 556, 564, 771, 834, 1028, 1542, 1668, 3084, 6533, 12079, 13066, 19599, 24158, 26132, 35723, 36237, 39198, 48316, 71446, 72474, 78396, 107169, 142892, 144948, 214338, 428676, 1678981, 3357962, 5036943, 6715924, 10073886, 20147772]

約数ペア:

[(1, 20147772), (2, 10073886), (3, 6715924), (4, 5036943), (6, 3357962), (12, 1678981), (47, 428676), (94, 214338), (139, 144948), (141, 142892), (188, 107169), (257, 78396), (278, 72474), (282, 71446), (417, 48316), (514, 39198), (556, 36237), (564, 35723), (771, 26132), (834, 24158), (1028, 19599), (1542, 13066), (1668, 12079), (3084, 6533)]