20001312

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1877}}^1$

素因数の和:1930

約数の個数: 72

約数和(自身を含む): 58447116

約数和(自身を除く): 38445804

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1877, 2664, 3552, 3754, 5328, 5631, 7508, 10656, 11262, 15016, 16893, 22524, 30032, 33786, 45048, 60064, 67572, 69449, 90096, 135144, 138898, 180192, 208347, 270288, 277796, 416694, 540576, 555592, 625041, 833388, 1111184, 1250082, 1666776, 2222368, 2500164, 3333552, 5000328, 6667104, 10000656, 20001312]

約数ペア:

[(1, 20001312), (2, 10000656), (3, 6667104), (4, 5000328), (6, 3333552), (8, 2500164), (9, 2222368), (12, 1666776), (16, 1250082), (18, 1111184), (24, 833388), (32, 625041), (36, 555592), (37, 540576), (48, 416694), (72, 277796), (74, 270288), (96, 208347), (111, 180192), (144, 138898), (148, 135144), (222, 90096), (288, 69449), (296, 67572), (333, 60064), (444, 45048), (592, 33786), (666, 30032), (888, 22524), (1184, 16893), (1332, 15016), (1776, 11262), (1877, 10656), (2664, 7508), (3552, 5631), (3754, 5328)]