20455968

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 59524416

約数和(自身を除く): 39068448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 74, 78, 96, 104, 111, 148, 156, 208, 222, 296, 312, 416, 443, 444, 481, 592, 624, 886, 888, 962, 1184, 1248, 1329, 1443, 1772, 1776, 1924, 2658, 2886, 3544, 3552, 3848, 5316, 5759, 5772, 7088, 7696, 10632, 11518, 11544, 14176, 15392, 16391, 17277, 21264, 23036, 23088, 32782, 34554, 42528, 46072, 46176, 49173, 65564, 69108, 92144, 98346, 131128, 138216, 184288, 196692, 213083, 262256, 276432, 393384, 426166, 524512, 552864, 639249, 786768, 852332, 1278498, 1573536, 1704664, 2556996, 3409328, 5113992, 6818656, 10227984, 20455968]

約数ペア:

[(1, 20455968), (2, 10227984), (3, 6818656), (4, 5113992), (6, 3409328), (8, 2556996), (12, 1704664), (13, 1573536), (16, 1278498), (24, 852332), (26, 786768), (32, 639249), (37, 552864), (39, 524512), (48, 426166), (52, 393384), (74, 276432), (78, 262256), (96, 213083), (104, 196692), (111, 184288), (148, 138216), (156, 131128), (208, 98346), (222, 92144), (296, 69108), (312, 65564), (416, 49173), (443, 46176), (444, 46072), (481, 42528), (592, 34554), (624, 32782), (886, 23088), (888, 23036), (962, 21264), (1184, 17277), (1248, 16391), (1329, 15392), (1443, 14176), (1772, 11544), (1776, 11518), (1924, 10632), (2658, 7696), (2886, 7088), (3544, 5772), (3552, 5759), (3848, 5316)]