20255688

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 57915000

約数和(自身を除く): 37659312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 89, 109, 116, 174, 178, 218, 232, 261, 267, 327, 348, 356, 436, 522, 534, 654, 696, 712, 801, 872, 981, 1044, 1068, 1308, 1602, 1962, 2088, 2136, 2581, 2616, 3161, 3204, 3924, 5162, 6322, 6408, 7743, 7848, 9483, 9701, 10324, 12644, 15486, 18966, 19402, 20648, 23229, 25288, 28449, 29103, 30972, 37932, 38804, 46458, 56898, 58206, 61944, 75864, 77608, 87309, 92916, 113796, 116412, 174618, 185832, 227592, 232824, 281329, 349236, 562658, 698472, 843987, 1125316, 1687974, 2250632, 2531961, 3375948, 5063922, 6751896, 10127844, 20255688]

約数ペア:

[(1, 20255688), (2, 10127844), (3, 6751896), (4, 5063922), (6, 3375948), (8, 2531961), (9, 2250632), (12, 1687974), (18, 1125316), (24, 843987), (29, 698472), (36, 562658), (58, 349236), (72, 281329), (87, 232824), (89, 227592), (109, 185832), (116, 174618), (174, 116412), (178, 113796), (218, 92916), (232, 87309), (261, 77608), (267, 75864), (327, 61944), (348, 58206), (356, 56898), (436, 46458), (522, 38804), (534, 37932), (654, 30972), (696, 29103), (712, 28449), (801, 25288), (872, 23229), (981, 20648), (1044, 19402), (1068, 18966), (1308, 15486), (1602, 12644), (1962, 10324), (2088, 9701), (2136, 9483), (2581, 7848), (2616, 7743), (3161, 6408), (3204, 6322), (3924, 5162)]