20193400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3257}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 48479040

約数和(自身を除く): 28285640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3257, 6200, 6514, 13028, 16285, 26056, 32570, 65140, 81425, 100967, 130280, 162850, 201934, 325700, 403868, 504835, 651400, 807736, 1009670, 2019340, 2524175, 4038680, 5048350, 10096700, 20193400]

約数ペア:

[(1, 20193400), (2, 10096700), (4, 5048350), (5, 4038680), (8, 2524175), (10, 2019340), (20, 1009670), (25, 807736), (31, 651400), (40, 504835), (50, 403868), (62, 325700), (100, 201934), (124, 162850), (155, 130280), (200, 100967), (248, 81425), (310, 65140), (620, 32570), (775, 26056), (1240, 16285), (1550, 13028), (3100, 6514), (3257, 6200)]