20099142

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 29939418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 269, 538, 593, 807, 1186, 1614, 1779, 1883, 2421, 3558, 3766, 4151, 4842, 5337, 5649, 8302, 10674, 11298, 12453, 16947, 24906, 33894, 37359, 74718, 159517, 319034, 478551, 957102, 1116619, 1435653, 2233238, 2871306, 3349857, 6699714, 10049571, 20099142]

約数ペア:

[(1, 20099142), (2, 10049571), (3, 6699714), (6, 3349857), (7, 2871306), (9, 2233238), (14, 1435653), (18, 1116619), (21, 957102), (42, 478551), (63, 319034), (126, 159517), (269, 74718), (538, 37359), (593, 33894), (807, 24906), (1186, 16947), (1614, 12453), (1779, 11298), (1883, 10674), (2421, 8302), (3558, 5649), (3766, 5337), (4151, 4842)]