20721659328

素因数分解:

$2^6\times 3^3\times {\mathrm{677}}^1\times {\mathrm{17713}}^1$

素因数の和:18411

約数の個数: 112

約数和(自身を含む): 61011267360

約数和(自身を除く): 40289608032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 677, 864, 1354, 1728, 2031, 2708, 4062, 5416, 6093, 8124, 10832, 12186, 16248, 17713, 18279, 21664, 24372, 32496, 35426, 36558, 43328, 48744, 53139, 64992, 70852, 73116, 97488, 106278, 129984, 141704, 146232, 159417, 194976, 212556, 283408, 292464, 318834, 389952, 425112, 478251, 566816, 584928, 637668, 850224, 956502, 1133632, 1169856, 1275336, 1700448, 1913004, 2550672, 3400896, 3826008, 5101344, 7652016, 10202688, 11991701, 15304032, 23983402, 30608064, 35975103, 47966804, 71950206, 95933608, 107925309, 143900412, 191867216, 215850618, 287800824, 323775927, 383734432, 431701236, 575601648, 647551854, 767468864, 863402472, 1151203296, 1295103708, 1726804944, 2302406592, 2590207416, 3453609888, 5180414832, 6907219776, 10360829664, 20721659328]

約数ペア:

[(1, 20721659328), (2, 10360829664), (3, 6907219776), (4, 5180414832), (6, 3453609888), (8, 2590207416), (9, 2302406592), (12, 1726804944), (16, 1295103708), (18, 1151203296), (24, 863402472), (27, 767468864), (32, 647551854), (36, 575601648), (48, 431701236), (54, 383734432), (64, 323775927), (72, 287800824), (96, 215850618), (108, 191867216), (144, 143900412), (192, 107925309), (216, 95933608), (288, 71950206), (432, 47966804), (576, 35975103), (677, 30608064), (864, 23983402), (1354, 15304032), (1728, 11991701), (2031, 10202688), (2708, 7652016), (4062, 5101344), (5416, 3826008), (6093, 3400896), (8124, 2550672), (10832, 1913004), (12186, 1700448), (16248, 1275336), (17713, 1169856), (18279, 1133632), (21664, 956502), (24372, 850224), (32496, 637668), (35426, 584928), (36558, 566816), (43328, 478251), (48744, 425112), (53139, 389952), (64992, 318834), (70852, 292464), (73116, 283408), (97488, 212556), (106278, 194976), (129984, 159417), (141704, 146232)]