20655324

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1723}}^1$

素因数の和:1776

約数の個数: 60

約数和(自身を含む): 55488664

約数和(自身を除く): 34833340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1723, 1998, 2997, 3446, 3996, 5169, 5994, 6892, 10338, 11988, 15507, 20676, 31014, 46521, 62028, 63751, 93042, 127502, 139563, 186084, 191253, 255004, 279126, 382506, 558252, 573759, 765012, 1147518, 1721277, 2295036, 3442554, 5163831, 6885108, 10327662, 20655324]

約数ペア:

[(1, 20655324), (2, 10327662), (3, 6885108), (4, 5163831), (6, 3442554), (9, 2295036), (12, 1721277), (18, 1147518), (27, 765012), (36, 573759), (37, 558252), (54, 382506), (74, 279126), (81, 255004), (108, 191253), (111, 186084), (148, 139563), (162, 127502), (222, 93042), (324, 63751), (333, 62028), (444, 46521), (666, 31014), (999, 20676), (1332, 15507), (1723, 11988), (1998, 10338), (2997, 6892), (3446, 5994), (3996, 5169)]