20523984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 58996224

約数和(自身を除く): 38472240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1061, 1209, 1488, 1612, 2122, 2418, 3183, 3224, 4244, 4836, 6366, 6448, 8488, 9672, 12732, 13793, 16976, 19344, 25464, 27586, 32891, 41379, 50928, 55172, 65782, 82758, 98673, 110344, 131564, 165516, 197346, 220688, 263128, 331032, 394692, 427583, 526256, 662064, 789384, 855166, 1282749, 1578768, 1710332, 2565498, 3420664, 5130996, 6841328, 10261992, 20523984]

約数ペア:

[(1, 20523984), (2, 10261992), (3, 6841328), (4, 5130996), (6, 3420664), (8, 2565498), (12, 1710332), (13, 1578768), (16, 1282749), (24, 855166), (26, 789384), (31, 662064), (39, 526256), (48, 427583), (52, 394692), (62, 331032), (78, 263128), (93, 220688), (104, 197346), (124, 165516), (156, 131564), (186, 110344), (208, 98673), (248, 82758), (312, 65782), (372, 55172), (403, 50928), (496, 41379), (624, 32891), (744, 27586), (806, 25464), (1061, 19344), (1209, 16976), (1488, 13793), (1612, 12732), (2122, 9672), (2418, 8488), (3183, 6448), (3224, 6366), (4244, 4836)]