20185158544

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1328

約数の個数: 80

約数和(自身を含む): 40510264320

約数和(自身を除く): 20325105776

約数列:

[1, 2, 4, 8, 16, 53, 79, 106, 158, 212, 316, 367, 424, 632, 734, 821, 848, 1264, 1468, 1642, 2936, 3284, 4187, 5872, 6568, 8374, 13136, 16748, 19451, 28993, 33496, 38902, 43513, 57986, 64859, 66992, 77804, 87026, 115972, 129718, 155608, 174052, 231944, 259436, 301307, 311216, 348104, 463888, 518872, 602614, 696208, 1037744, 1205228, 1536629, 2410456, 3073258, 3437527, 4820912, 6146516, 6875054, 12293032, 13750108, 15969271, 23803253, 24586064, 27500216, 31938542, 47606506, 55000432, 63877084, 95213012, 127754168, 190426024, 255508336, 380852048, 1261572409, 2523144818, 5046289636, 10092579272, 20185158544]

約数ペア:

[(1, 20185158544), (2, 10092579272), (4, 5046289636), (8, 2523144818), (16, 1261572409), (53, 380852048), (79, 255508336), (106, 190426024), (158, 127754168), (212, 95213012), (316, 63877084), (367, 55000432), (424, 47606506), (632, 31938542), (734, 27500216), (821, 24586064), (848, 23803253), (1264, 15969271), (1468, 13750108), (1642, 12293032), (2936, 6875054), (3284, 6146516), (4187, 4820912), (5872, 3437527), (6568, 3073258), (8374, 2410456), (13136, 1536629), (16748, 1205228), (19451, 1037744), (28993, 696208), (33496, 602614), (38902, 518872), (43513, 463888), (57986, 348104), (64859, 311216), (66992, 301307), (77804, 259436), (87026, 231944), (115972, 174052), (129718, 155608)]