20659855968

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{300149}}^1$

素因数の和:300404

約数の個数: 72

約数和(自身を含む): 58997484000

約数和(自身を除く): 38337628032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 288, 478, 717, 956, 1434, 1912, 2151, 2868, 3824, 4302, 5736, 7648, 8604, 11472, 17208, 22944, 34416, 68832, 300149, 600298, 900447, 1200596, 1800894, 2401192, 2701341, 3601788, 4802384, 5402682, 7203576, 9604768, 10805364, 14407152, 21610728, 28814304, 43221456, 71735611, 86442912, 143471222, 215206833, 286942444, 430413666, 573884888, 645620499, 860827332, 1147769776, 1291240998, 1721654664, 2295539552, 2582481996, 3443309328, 5164963992, 6886618656, 10329927984, 20659855968]

約数ペア:

[(1, 20659855968), (2, 10329927984), (3, 6886618656), (4, 5164963992), (6, 3443309328), (8, 2582481996), (9, 2295539552), (12, 1721654664), (16, 1291240998), (18, 1147769776), (24, 860827332), (32, 645620499), (36, 573884888), (48, 430413666), (72, 286942444), (96, 215206833), (144, 143471222), (239, 86442912), (288, 71735611), (478, 43221456), (717, 28814304), (956, 21610728), (1434, 14407152), (1912, 10805364), (2151, 9604768), (2868, 7203576), (3824, 5402682), (4302, 4802384), (5736, 3601788), (7648, 2701341), (8604, 2401192), (11472, 1800894), (17208, 1200596), (22944, 900447), (34416, 600298), (68832, 300149)]