20341746620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1476179}}^1$

素因数の和:1476254

約数の個数: 48

約数和(自身を含む): 46871667360

約数和(自身を除く): 26529920740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 1476179, 2952358, 5904716, 7380895, 14761790, 19190327, 29523580, 38380654, 76761308, 78237487, 95951635, 156474974, 191903270, 312949948, 383806540, 391187435, 782374870, 1017087331, 1564749740, 2034174662, 4068349324, 5085436655, 10170873310, 20341746620]

約数ペア:

[(1, 20341746620), (2, 10170873310), (4, 5085436655), (5, 4068349324), (10, 2034174662), (13, 1564749740), (20, 1017087331), (26, 782374870), (52, 391187435), (53, 383806540), (65, 312949948), (106, 191903270), (130, 156474974), (212, 95951635), (260, 78237487), (265, 76761308), (530, 38380654), (689, 29523580), (1060, 19190327), (1378, 14761790), (2756, 7380895), (3445, 5904716), (6890, 2952358), (13780, 1476179)]