20161749027

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{2143}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 32009748480

約数和(自身を除く): 11847999453

約数列:

[1, 3, 7, 21, 53, 79, 107, 159, 237, 321, 371, 553, 749, 1113, 1659, 2143, 2247, 4187, 5671, 6429, 8453, 12561, 15001, 17013, 25359, 29309, 39697, 45003, 59171, 87927, 113579, 119091, 169297, 177513, 229301, 340737, 448009, 507891, 687903, 795053, 1185079, 1344027, 1605107, 2385159, 3136063, 3555237, 4815321, 8972741, 9408189, 12152953, 18114779, 26918223, 36458859, 54344337, 62809187, 85070671, 126803453, 188427561, 255212013, 380410359, 960083287, 2880249861, 6720583009, 20161749027]

約数ペア:

[(1, 20161749027), (3, 6720583009), (7, 2880249861), (21, 960083287), (53, 380410359), (79, 255212013), (107, 188427561), (159, 126803453), (237, 85070671), (321, 62809187), (371, 54344337), (553, 36458859), (749, 26918223), (1113, 18114779), (1659, 12152953), (2143, 9408189), (2247, 8972741), (4187, 4815321), (5671, 3555237), (6429, 3136063), (8453, 2385159), (12561, 1605107), (15001, 1344027), (17013, 1185079), (25359, 795053), (29309, 687903), (39697, 507891), (45003, 448009), (59171, 340737), (87927, 229301), (113579, 177513), (119091, 169297)]