20396768

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 29245216

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 37, 46, 56, 74, 92, 107, 112, 148, 161, 184, 214, 224, 259, 296, 322, 368, 428, 518, 592, 644, 736, 749, 851, 856, 1036, 1184, 1288, 1498, 1702, 1712, 2072, 2461, 2576, 2996, 3404, 3424, 3959, 4144, 4922, 5152, 5957, 5992, 6808, 7918, 8288, 9844, 11914, 11984, 13616, 15836, 17227, 19688, 23828, 23968, 27232, 27713, 31672, 34454, 39376, 47656, 55426, 63344, 68908, 78752, 91057, 95312, 110852, 126688, 137816, 182114, 190624, 221704, 275632, 364228, 443408, 551264, 637399, 728456, 886816, 1274798, 1456912, 2549596, 2913824, 5099192, 10198384, 20396768]

約数ペア:

[(1, 20396768), (2, 10198384), (4, 5099192), (7, 2913824), (8, 2549596), (14, 1456912), (16, 1274798), (23, 886816), (28, 728456), (32, 637399), (37, 551264), (46, 443408), (56, 364228), (74, 275632), (92, 221704), (107, 190624), (112, 182114), (148, 137816), (161, 126688), (184, 110852), (214, 95312), (224, 91057), (259, 78752), (296, 68908), (322, 63344), (368, 55426), (428, 47656), (518, 39376), (592, 34454), (644, 31672), (736, 27713), (749, 27232), (851, 23968), (856, 23828), (1036, 19688), (1184, 17227), (1288, 15836), (1498, 13616), (1702, 11984), (1712, 11914), (2072, 9844), (2461, 8288), (2576, 7918), (2996, 6808), (3404, 5992), (3424, 5957), (3959, 5152), (4144, 4922)]