20187648

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:374

約数の個数: 120

約数和(自身を含む): 62930868

約数和(自身を除く): 42743220

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 337, 384, 416, 468, 512, 576, 624, 674, 768, 832, 936, 1011, 1152, 1248, 1348, 1536, 1664, 1872, 2022, 2304, 2496, 2696, 3033, 3328, 3744, 4044, 4381, 4608, 4992, 5392, 6066, 6656, 7488, 8088, 8762, 9984, 10784, 12132, 13143, 14976, 16176, 17524, 19968, 21568, 24264, 26286, 29952, 32352, 35048, 39429, 43136, 48528, 52572, 59904, 64704, 70096, 78858, 86272, 97056, 105144, 129408, 140192, 157716, 172544, 194112, 210288, 258816, 280384, 315432, 388224, 420576, 517632, 560768, 630864, 776448, 841152, 1121536, 1261728, 1552896, 1682304, 2243072, 2523456, 3364608, 5046912, 6729216, 10093824, 20187648]

約数ペア:

[(1, 20187648), (2, 10093824), (3, 6729216), (4, 5046912), (6, 3364608), (8, 2523456), (9, 2243072), (12, 1682304), (13, 1552896), (16, 1261728), (18, 1121536), (24, 841152), (26, 776448), (32, 630864), (36, 560768), (39, 517632), (48, 420576), (52, 388224), (64, 315432), (72, 280384), (78, 258816), (96, 210288), (104, 194112), (117, 172544), (128, 157716), (144, 140192), (156, 129408), (192, 105144), (208, 97056), (234, 86272), (256, 78858), (288, 70096), (312, 64704), (337, 59904), (384, 52572), (416, 48528), (468, 43136), (512, 39429), (576, 35048), (624, 32352), (674, 29952), (768, 26286), (832, 24264), (936, 21568), (1011, 19968), (1152, 17524), (1248, 16176), (1348, 14976), (1536, 13143), (1664, 12132), (1872, 10784), (2022, 9984), (2304, 8762), (2496, 8088), (2696, 7488), (3033, 6656), (3328, 6066), (3744, 5392), (4044, 4992), (4381, 4608)]