20189650940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1\times {\mathrm{27259}}^1$

素因数の和:28574

約数の個数: 48

約数和(自身を含む): 43896232800

約数和(自身を除く): 23706581860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1277, 2554, 5108, 6385, 12770, 25540, 27259, 37033, 54518, 74066, 109036, 136295, 148132, 185165, 272590, 370330, 545180, 740660, 790511, 1581022, 3162044, 3952555, 7905110, 15810220, 34809743, 69619486, 139238972, 174048715, 348097430, 696194860, 1009482547, 2018965094, 4037930188, 5047412735, 10094825470, 20189650940]

約数ペア:

[(1, 20189650940), (2, 10094825470), (4, 5047412735), (5, 4037930188), (10, 2018965094), (20, 1009482547), (29, 696194860), (58, 348097430), (116, 174048715), (145, 139238972), (290, 69619486), (580, 34809743), (1277, 15810220), (2554, 7905110), (5108, 3952555), (6385, 3162044), (12770, 1581022), (25540, 790511), (27259, 740660), (37033, 545180), (54518, 370330), (74066, 272590), (109036, 185165), (136295, 148132)]