20604750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 52206336

約数和(自身を除く): 31601586

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 83, 125, 150, 166, 249, 250, 331, 375, 415, 498, 662, 750, 830, 993, 1245, 1655, 1986, 2075, 2490, 3310, 4150, 4965, 6225, 8275, 9930, 10375, 12450, 16550, 20750, 24825, 27473, 31125, 41375, 49650, 54946, 62250, 82419, 82750, 124125, 137365, 164838, 248250, 274730, 412095, 686825, 824190, 1373650, 2060475, 3434125, 4120950, 6868250, 10302375, 20604750]

約数ペア:

[(1, 20604750), (2, 10302375), (3, 6868250), (5, 4120950), (6, 3434125), (10, 2060475), (15, 1373650), (25, 824190), (30, 686825), (50, 412095), (75, 274730), (83, 248250), (125, 164838), (150, 137365), (166, 124125), (249, 82750), (250, 82419), (331, 62250), (375, 54946), (415, 49650), (498, 41375), (662, 31125), (750, 27473), (830, 24825), (993, 20750), (1245, 16550), (1655, 12450), (1986, 10375), (2075, 9930), (2490, 8275), (3310, 6225), (4150, 4965)]