20418336

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2334

約数の個数: 72

約数和(自身を含む): 59963904

約数和(自身を除く): 39545568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2287, 2976, 4464, 4574, 6861, 8928, 9148, 13722, 18296, 20583, 27444, 36592, 41166, 54888, 70897, 73184, 82332, 109776, 141794, 164664, 212691, 219552, 283588, 329328, 425382, 567176, 638073, 658656, 850764, 1134352, 1276146, 1701528, 2268704, 2552292, 3403056, 5104584, 6806112, 10209168, 20418336]

約数ペア:

[(1, 20418336), (2, 10209168), (3, 6806112), (4, 5104584), (6, 3403056), (8, 2552292), (9, 2268704), (12, 1701528), (16, 1276146), (18, 1134352), (24, 850764), (31, 658656), (32, 638073), (36, 567176), (48, 425382), (62, 329328), (72, 283588), (93, 219552), (96, 212691), (124, 164664), (144, 141794), (186, 109776), (248, 82332), (279, 73184), (288, 70897), (372, 54888), (496, 41166), (558, 36592), (744, 27444), (992, 20583), (1116, 18296), (1488, 13722), (2232, 9148), (2287, 8928), (2976, 6861), (4464, 4574)]