20177391388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1073951}}^1$

素因数の和:1074034

約数の個数: 48

約数和(自身を含む): 44745136128

約数和(自身を除く): 24567744740

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1342, 1708, 2684, 4697, 9394, 18788, 1073951, 2147902, 4295804, 7517657, 11813461, 15035314, 23626922, 30070628, 47253844, 65511011, 82694227, 131022022, 165388454, 262044044, 330776908, 458577077, 720621121, 917154154, 1441242242, 1834308308, 2882484484, 5044347847, 10088695694, 20177391388]

約数ペア:

[(1, 20177391388), (2, 10088695694), (4, 5044347847), (7, 2882484484), (11, 1834308308), (14, 1441242242), (22, 917154154), (28, 720621121), (44, 458577077), (61, 330776908), (77, 262044044), (122, 165388454), (154, 131022022), (244, 82694227), (308, 65511011), (427, 47253844), (671, 30070628), (854, 23626922), (1342, 15035314), (1708, 11813461), (2684, 7517657), (4697, 4295804), (9394, 2147902), (18788, 1073951)]