20515056

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 57996288

約数和(自身を除く): 37481232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 811, 816, 1054, 1488, 1581, 1622, 2108, 2433, 3162, 3244, 4216, 4866, 6324, 6488, 8432, 9732, 12648, 12976, 13787, 19464, 25141, 25296, 27574, 38928, 41361, 50282, 55148, 75423, 82722, 100564, 110296, 150846, 165444, 201128, 220592, 301692, 330888, 402256, 427397, 603384, 661776, 854794, 1206768, 1282191, 1709588, 2564382, 3419176, 5128764, 6838352, 10257528, 20515056]

約数ペア:

[(1, 20515056), (2, 10257528), (3, 6838352), (4, 5128764), (6, 3419176), (8, 2564382), (12, 1709588), (16, 1282191), (17, 1206768), (24, 854794), (31, 661776), (34, 603384), (48, 427397), (51, 402256), (62, 330888), (68, 301692), (93, 220592), (102, 201128), (124, 165444), (136, 150846), (186, 110296), (204, 100564), (248, 82722), (272, 75423), (372, 55148), (408, 50282), (496, 41361), (527, 38928), (744, 27574), (811, 25296), (816, 25141), (1054, 19464), (1488, 13787), (1581, 12976), (1622, 12648), (2108, 9732), (2433, 8432), (3162, 6488), (3244, 6324), (4216, 4866)]