20066500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 44553600

約数和(自身を除く): 24487100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 125, 134, 250, 268, 335, 500, 599, 670, 1198, 1340, 1675, 2396, 2995, 3350, 5990, 6700, 8375, 11980, 14975, 16750, 29950, 33500, 40133, 59900, 74875, 80266, 149750, 160532, 200665, 299500, 401330, 802660, 1003325, 2006650, 4013300, 5016625, 10033250, 20066500]

約数ペア:

[(1, 20066500), (2, 10033250), (4, 5016625), (5, 4013300), (10, 2006650), (20, 1003325), (25, 802660), (50, 401330), (67, 299500), (100, 200665), (125, 160532), (134, 149750), (250, 80266), (268, 74875), (335, 59900), (500, 40133), (599, 33500), (670, 29950), (1198, 16750), (1340, 14975), (1675, 11980), (2396, 8375), (2995, 6700), (3350, 5990)]