20346469100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1301}}^1\times {\mathrm{3637}}^1$

素因数の和:4995

約数の個数: 72

約数和(自身を含む): 45225782448

約数和(自身を除く): 24879313348

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1301, 2150, 2602, 3637, 4300, 5204, 6505, 7274, 13010, 14548, 18185, 26020, 32525, 36370, 55943, 65050, 72740, 90925, 111886, 130100, 156391, 181850, 223772, 279715, 312782, 363700, 559430, 625564, 781955, 1118860, 1398575, 1563910, 2797150, 3127820, 3909775, 4731737, 5594300, 7819550, 9463474, 15639100, 18926948, 23658685, 47317370, 94634740, 118293425, 203464691, 236586850, 406929382, 473173700, 813858764, 1017323455, 2034646910, 4069293820, 5086617275, 10173234550, 20346469100]

約数ペア:

[(1, 20346469100), (2, 10173234550), (4, 5086617275), (5, 4069293820), (10, 2034646910), (20, 1017323455), (25, 813858764), (43, 473173700), (50, 406929382), (86, 236586850), (100, 203464691), (172, 118293425), (215, 94634740), (430, 47317370), (860, 23658685), (1075, 18926948), (1301, 15639100), (2150, 9463474), (2602, 7819550), (3637, 5594300), (4300, 4731737), (5204, 3909775), (6505, 3127820), (7274, 2797150), (13010, 1563910), (14548, 1398575), (18185, 1118860), (26020, 781955), (32525, 625564), (36370, 559430), (55943, 363700), (65050, 312782), (72740, 279715), (90925, 223772), (111886, 181850), (130100, 156391)]