20163903580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{65719}}^1$

素因数の和:65803

約数の個数: 72

約数和(自身を含む): 45792381600

約数和(自身を除く): 25628478020

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 529, 580, 667, 1058, 1334, 2116, 2645, 2668, 3335, 5290, 6670, 10580, 13340, 15341, 30682, 61364, 65719, 76705, 131438, 153410, 262876, 306820, 328595, 657190, 1314380, 1511537, 1905851, 3023074, 3811702, 6046148, 7557685, 7623404, 9529255, 15115370, 19058510, 30230740, 34765351, 38117020, 43834573, 69530702, 87669146, 139061404, 173826755, 175338292, 219172865, 347653510, 438345730, 695307020, 876691460, 1008195179, 2016390358, 4032780716, 5040975895, 10081951790, 20163903580]

約数ペア:

[(1, 20163903580), (2, 10081951790), (4, 5040975895), (5, 4032780716), (10, 2016390358), (20, 1008195179), (23, 876691460), (29, 695307020), (46, 438345730), (58, 347653510), (92, 219172865), (115, 175338292), (116, 173826755), (145, 139061404), (230, 87669146), (290, 69530702), (460, 43834573), (529, 38117020), (580, 34765351), (667, 30230740), (1058, 19058510), (1334, 15115370), (2116, 9529255), (2645, 7623404), (2668, 7557685), (3335, 6046148), (5290, 3811702), (6670, 3023074), (10580, 1905851), (13340, 1511537), (15341, 1314380), (30682, 657190), (61364, 328595), (65719, 306820), (76705, 262876), (131438, 153410)]