20165558140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{8663}}^1$

素因数の和:9971

約数の個数: 96

約数和(自身を含む): 52166983680

約数和(自身を除く): 32001425540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1279, 1820, 2558, 5116, 6395, 8663, 8953, 12790, 16627, 17326, 17906, 25580, 33254, 34652, 35812, 43315, 44765, 60641, 66508, 83135, 86630, 89530, 112619, 116389, 121282, 166270, 173260, 179060, 225238, 232778, 242564, 303205, 332540, 450476, 465556, 563095, 581945, 606410, 788333, 1126190, 1163890, 1212820, 1576666, 2252380, 2327780, 3153332, 3941665, 7883330, 11079977, 15766660, 22159954, 44319908, 55399885, 77559839, 110799770, 144039701, 155119678, 221599540, 288079402, 310239356, 387799195, 576158804, 720198505, 775598390, 1008277907, 1440397010, 1551196780, 2016555814, 2880794020, 4033111628, 5041389535, 10082779070, 20165558140]

約数ペア:

[(1, 20165558140), (2, 10082779070), (4, 5041389535), (5, 4033111628), (7, 2880794020), (10, 2016555814), (13, 1551196780), (14, 1440397010), (20, 1008277907), (26, 775598390), (28, 720198505), (35, 576158804), (52, 387799195), (65, 310239356), (70, 288079402), (91, 221599540), (130, 155119678), (140, 144039701), (182, 110799770), (260, 77559839), (364, 55399885), (455, 44319908), (910, 22159954), (1279, 15766660), (1820, 11079977), (2558, 7883330), (5116, 3941665), (6395, 3153332), (8663, 2327780), (8953, 2252380), (12790, 1576666), (16627, 1212820), (17326, 1163890), (17906, 1126190), (25580, 788333), (33254, 606410), (34652, 581945), (35812, 563095), (43315, 465556), (44765, 450476), (60641, 332540), (66508, 303205), (83135, 242564), (86630, 232778), (89530, 225238), (112619, 179060), (116389, 173260), (121282, 166270)]