20474200

素因数分解:

$2^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 47965680

約数和(自身を除く): 27491480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 167, 200, 334, 613, 668, 835, 1226, 1336, 1670, 2452, 3065, 3340, 4175, 4904, 6130, 6680, 8350, 12260, 15325, 16700, 24520, 30650, 33400, 61300, 102371, 122600, 204742, 409484, 511855, 818968, 1023710, 2047420, 2559275, 4094840, 5118550, 10237100, 20474200]

約数ペア:

[(1, 20474200), (2, 10237100), (4, 5118550), (5, 4094840), (8, 2559275), (10, 2047420), (20, 1023710), (25, 818968), (40, 511855), (50, 409484), (100, 204742), (167, 122600), (200, 102371), (334, 61300), (613, 33400), (668, 30650), (835, 24520), (1226, 16700), (1336, 15325), (1670, 12260), (2452, 8350), (3065, 6680), (3340, 6130), (4175, 4904)]