20123701815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1\times {\mathrm{3361}}^1$

素因数の和:3952

約数の個数: 64

約数和(自身を含む): 37181030400

約数和(自身を除く): 17057328585

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 449, 635, 889, 1347, 1905, 2245, 2667, 3143, 3361, 4445, 6735, 9429, 10083, 13335, 15715, 16805, 23527, 47145, 50415, 57023, 70581, 117635, 171069, 285115, 352905, 399161, 426847, 855345, 1197483, 1280541, 1509089, 1995805, 2134235, 2987929, 4527267, 5987415, 6402705, 7545445, 8963787, 10563623, 14939645, 22636335, 31690869, 44818935, 52818115, 158454345, 191654303, 574962909, 958271515, 1341580121, 2874814545, 4024740363, 6707900605, 20123701815]

約数ペア:

[(1, 20123701815), (3, 6707900605), (5, 4024740363), (7, 2874814545), (15, 1341580121), (21, 958271515), (35, 574962909), (105, 191654303), (127, 158454345), (381, 52818115), (449, 44818935), (635, 31690869), (889, 22636335), (1347, 14939645), (1905, 10563623), (2245, 8963787), (2667, 7545445), (3143, 6402705), (3361, 5987415), (4445, 4527267), (6735, 2987929), (9429, 2134235), (10083, 1995805), (13335, 1509089), (15715, 1280541), (16805, 1197483), (23527, 855345), (47145, 426847), (50415, 399161), (57023, 352905), (70581, 285115), (117635, 171069)]