20209341796

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1\times {\mathrm{3943}}^1$

素因数の和:5240

約数の個数: 48

約数和(自身を含む): 40713186304

約数和(自身を除く): 20503844508

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1123, 1141, 2246, 2282, 3943, 4492, 4564, 7861, 7886, 15722, 15772, 27601, 31444, 55202, 110404, 183049, 366098, 642709, 732196, 1281343, 1285418, 2562686, 2570836, 4427989, 4498963, 5125372, 8855978, 8997926, 17711956, 17995852, 30995923, 61991846, 123983692, 721762207, 1443524414, 2887048828, 5052335449, 10104670898, 20209341796]

約数ペア:

[(1, 20209341796), (2, 10104670898), (4, 5052335449), (7, 2887048828), (14, 1443524414), (28, 721762207), (163, 123983692), (326, 61991846), (652, 30995923), (1123, 17995852), (1141, 17711956), (2246, 8997926), (2282, 8855978), (3943, 5125372), (4492, 4498963), (4564, 4427989), (7861, 2570836), (7886, 2562686), (15722, 1285418), (15772, 1281343), (27601, 732196), (31444, 642709), (55202, 366098), (110404, 183049)]