20513568

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 56996352

約数和(自身を除く): 36482784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 61, 62, 93, 96, 113, 122, 124, 183, 186, 226, 244, 248, 339, 366, 372, 452, 488, 496, 678, 732, 744, 904, 976, 992, 1356, 1464, 1488, 1808, 1891, 1952, 2712, 2928, 2976, 3503, 3616, 3782, 5424, 5673, 5856, 6893, 7006, 7564, 10509, 10848, 11346, 13786, 14012, 15128, 20679, 21018, 22692, 27572, 28024, 30256, 41358, 42036, 45384, 55144, 56048, 60512, 82716, 84072, 90768, 110288, 112096, 165432, 168144, 181536, 213683, 220576, 330864, 336288, 427366, 641049, 661728, 854732, 1282098, 1709464, 2564196, 3418928, 5128392, 6837856, 10256784, 20513568]

約数ペア:

[(1, 20513568), (2, 10256784), (3, 6837856), (4, 5128392), (6, 3418928), (8, 2564196), (12, 1709464), (16, 1282098), (24, 854732), (31, 661728), (32, 641049), (48, 427366), (61, 336288), (62, 330864), (93, 220576), (96, 213683), (113, 181536), (122, 168144), (124, 165432), (183, 112096), (186, 110288), (226, 90768), (244, 84072), (248, 82716), (339, 60512), (366, 56048), (372, 55144), (452, 45384), (488, 42036), (496, 41358), (678, 30256), (732, 28024), (744, 27572), (904, 22692), (976, 21018), (992, 20679), (1356, 15128), (1464, 14012), (1488, 13786), (1808, 11346), (1891, 10848), (1952, 10509), (2712, 7564), (2928, 7006), (2976, 6893), (3503, 5856), (3616, 5673), (3782, 5424)]