20171509420

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1\times {\mathrm{6841}}^1$

素因数の和:7618

約数の個数: 48

約数和(自身を含む): 42587344800

約数和(自身を除く): 22415835380

約数列:

[1, 2, 4, 5, 10, 20, 379, 389, 758, 778, 1516, 1556, 1895, 1945, 3790, 3890, 6841, 7580, 7780, 13682, 27364, 34205, 68410, 136820, 147431, 294862, 589724, 737155, 1474310, 2592739, 2661149, 2948620, 5185478, 5322298, 10370956, 10644596, 12963695, 13305745, 25927390, 26611490, 51854780, 53222980, 1008575471, 2017150942, 4034301884, 5042877355, 10085754710, 20171509420]

約数ペア:

[(1, 20171509420), (2, 10085754710), (4, 5042877355), (5, 4034301884), (10, 2017150942), (20, 1008575471), (379, 53222980), (389, 51854780), (758, 26611490), (778, 25927390), (1516, 13305745), (1556, 12963695), (1895, 10644596), (1945, 10370956), (3790, 5322298), (3890, 5185478), (6841, 2948620), (7580, 2661149), (7780, 2592739), (13682, 1474310), (27364, 737155), (34205, 589724), (68410, 294862), (136820, 147431)]