20215043828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{44701}}^1$

素因数の和:45264

約数の個数: 48

約数和(自身を含む): 41815323648

約数和(自身を除く): 21600279820

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 521, 868, 1042, 2084, 3647, 7294, 14588, 16151, 32302, 44701, 64604, 89402, 113057, 178804, 226114, 312907, 452228, 625814, 1251628, 1385731, 2771462, 5542924, 9700117, 19400234, 23289221, 38800468, 46578442, 93156884, 163024547, 326049094, 652098188, 721965851, 1443931702, 2887863404, 5053760957, 10107521914, 20215043828]

約数ペア:

[(1, 20215043828), (2, 10107521914), (4, 5053760957), (7, 2887863404), (14, 1443931702), (28, 721965851), (31, 652098188), (62, 326049094), (124, 163024547), (217, 93156884), (434, 46578442), (521, 38800468), (868, 23289221), (1042, 19400234), (2084, 9700117), (3647, 5542924), (7294, 2771462), (14588, 1385731), (16151, 1251628), (32302, 625814), (44701, 452228), (64604, 312907), (89402, 226114), (113057, 178804)]