20347922049

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{140897}}^1$

素因数の和:140966

約数の個数: 48

約数和(自身を含む): 34906634112

約数和(自身を除く): 14558712063

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 529, 897, 1587, 2093, 3703, 6279, 6877, 11109, 20631, 48139, 140897, 144417, 422691, 986279, 1831661, 2958837, 3240631, 5494983, 9721893, 12821627, 22684417, 38464881, 42128203, 68053251, 74534513, 126384609, 223603539, 294897421, 521741591, 884692263, 968948669, 1565224773, 2906846007, 6782640683, 20347922049]

約数ペア:

[(1, 20347922049), (3, 6782640683), (7, 2906846007), (13, 1565224773), (21, 968948669), (23, 884692263), (39, 521741591), (69, 294897421), (91, 223603539), (161, 126384609), (273, 74534513), (299, 68053251), (483, 42128203), (529, 38464881), (897, 22684417), (1587, 12821627), (2093, 9721893), (3703, 5494983), (6279, 3240631), (6877, 2958837), (11109, 1831661), (20631, 986279), (48139, 422691), (140897, 144417)]