20107600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:2992

約数の個数: 60

約数和(自身を含む): 51167484

約数和(自身を除く): 31059884

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 2957, 3400, 5914, 6800, 11828, 14785, 23656, 29570, 47312, 50269, 59140, 73925, 100538, 118280, 147850, 201076, 236560, 251345, 295700, 402152, 502690, 591400, 804304, 1005380, 1182800, 1256725, 2010760, 2513450, 4021520, 5026900, 10053800, 20107600]

約数ペア:

[(1, 20107600), (2, 10053800), (4, 5026900), (5, 4021520), (8, 2513450), (10, 2010760), (16, 1256725), (17, 1182800), (20, 1005380), (25, 804304), (34, 591400), (40, 502690), (50, 402152), (68, 295700), (80, 251345), (85, 236560), (100, 201076), (136, 147850), (170, 118280), (200, 100538), (272, 73925), (340, 59140), (400, 50269), (425, 47312), (680, 29570), (850, 23656), (1360, 14785), (1700, 11828), (2957, 6800), (3400, 5914)]