20217276

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2713}}^1$

素因数の和:2752

約数の個数: 60

約数和(自身を含む): 55170192

約数和(自身を除く): 34952916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2713, 3726, 5426, 7452, 8139, 10852, 16278, 24417, 32556, 48834, 62399, 73251, 97668, 124798, 146502, 187197, 219753, 249596, 293004, 374394, 439506, 561591, 748788, 879012, 1123182, 1684773, 2246364, 3369546, 5054319, 6739092, 10108638, 20217276]

約数ペア:

[(1, 20217276), (2, 10108638), (3, 6739092), (4, 5054319), (6, 3369546), (9, 2246364), (12, 1684773), (18, 1123182), (23, 879012), (27, 748788), (36, 561591), (46, 439506), (54, 374394), (69, 293004), (81, 249596), (92, 219753), (108, 187197), (138, 146502), (162, 124798), (207, 97668), (276, 73251), (324, 62399), (414, 48834), (621, 32556), (828, 24417), (1242, 16278), (1863, 10852), (2484, 8139), (2713, 7452), (3726, 5426)]