20717352

素因数分解:

$2^3\times 3^2\times {\mathrm{167}}^1\times {\mathrm{1723}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 56478240

約数和(自身を除く): 35760888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 167, 334, 501, 668, 1002, 1336, 1503, 1723, 2004, 3006, 3446, 4008, 5169, 6012, 6892, 10338, 12024, 13784, 15507, 20676, 31014, 41352, 62028, 124056, 287741, 575482, 863223, 1150964, 1726446, 2301928, 2589669, 3452892, 5179338, 6905784, 10358676, 20717352]

約数ペア:

[(1, 20717352), (2, 10358676), (3, 6905784), (4, 5179338), (6, 3452892), (8, 2589669), (9, 2301928), (12, 1726446), (18, 1150964), (24, 863223), (36, 575482), (72, 287741), (167, 124056), (334, 62028), (501, 41352), (668, 31014), (1002, 20676), (1336, 15507), (1503, 13784), (1723, 12024), (2004, 10338), (3006, 6892), (3446, 6012), (4008, 5169)]