20640727056

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{69593}}^1$

素因数の和:69808

約数の個数: 80

約数和(自身を含む): 55091723904

約数和(自身を除く): 34450996848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 167, 222, 296, 334, 444, 501, 592, 668, 888, 1002, 1336, 1776, 2004, 2672, 4008, 6179, 8016, 12358, 18537, 24716, 37074, 49432, 69593, 74148, 98864, 139186, 148296, 208779, 278372, 296592, 417558, 556744, 835116, 1113488, 1670232, 2574941, 3340464, 5149882, 7724823, 10299764, 11622031, 15449646, 20599528, 23244062, 30899292, 34866093, 41199056, 46488124, 61798584, 69732186, 92976248, 123597168, 139464372, 185952496, 278928744, 430015147, 557857488, 860030294, 1290045441, 1720060588, 2580090882, 3440121176, 5160181764, 6880242352, 10320363528, 20640727056]

約数ペア:

[(1, 20640727056), (2, 10320363528), (3, 6880242352), (4, 5160181764), (6, 3440121176), (8, 2580090882), (12, 1720060588), (16, 1290045441), (24, 860030294), (37, 557857488), (48, 430015147), (74, 278928744), (111, 185952496), (148, 139464372), (167, 123597168), (222, 92976248), (296, 69732186), (334, 61798584), (444, 46488124), (501, 41199056), (592, 34866093), (668, 30899292), (888, 23244062), (1002, 20599528), (1336, 15449646), (1776, 11622031), (2004, 10299764), (2672, 7724823), (4008, 5149882), (6179, 3340464), (8016, 2574941), (12358, 1670232), (18537, 1113488), (24716, 835116), (37074, 556744), (49432, 417558), (69593, 296592), (74148, 278372), (98864, 208779), (139186, 148296)]