20199467817

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1\times {\mathrm{2749}}^1$

素因数の和:3430

約数の個数: 48

約数和(自身を含む): 30888000000

約数和(自身を除く): 10688532183

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 599, 1363, 1797, 2749, 4089, 5391, 8247, 12267, 17371, 24741, 28153, 52113, 79721, 84459, 129203, 156339, 239163, 253377, 387609, 717489, 816437, 1162827, 1646651, 2449311, 3746887, 4939953, 7347933, 11240661, 14819859, 33721983, 47752879, 77392597, 143258637, 232177791, 429775911, 696533373, 2244385313, 6733155939, 20199467817]

約数ペア:

[(1, 20199467817), (3, 6733155939), (9, 2244385313), (29, 696533373), (47, 429775911), (87, 232177791), (141, 143258637), (261, 77392597), (423, 47752879), (599, 33721983), (1363, 14819859), (1797, 11240661), (2749, 7347933), (4089, 4939953), (5391, 3746887), (8247, 2449311), (12267, 1646651), (17371, 1162827), (24741, 816437), (28153, 717489), (52113, 387609), (79721, 253377), (84459, 239163), (129203, 156339)]