20942300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 48996864

約数和(自身を除く): 28054564

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 127, 170, 194, 254, 340, 388, 425, 485, 508, 635, 850, 970, 1270, 1649, 1700, 1940, 2159, 2425, 2540, 3175, 3298, 4318, 4850, 6350, 6596, 8245, 8636, 9700, 10795, 12319, 12700, 16490, 21590, 24638, 32980, 41225, 43180, 49276, 53975, 61595, 82450, 107950, 123190, 164900, 209423, 215900, 246380, 307975, 418846, 615950, 837692, 1047115, 1231900, 2094230, 4188460, 5235575, 10471150, 20942300]

約数ペア:

[(1, 20942300), (2, 10471150), (4, 5235575), (5, 4188460), (10, 2094230), (17, 1231900), (20, 1047115), (25, 837692), (34, 615950), (50, 418846), (68, 307975), (85, 246380), (97, 215900), (100, 209423), (127, 164900), (170, 123190), (194, 107950), (254, 82450), (340, 61595), (388, 53975), (425, 49276), (485, 43180), (508, 41225), (635, 32980), (850, 24638), (970, 21590), (1270, 16490), (1649, 12700), (1700, 12319), (1940, 10795), (2159, 9700), (2425, 8636), (2540, 8245), (3175, 6596), (3298, 6350), (4318, 4850)]