20379750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 52678080

約数和(自身を除く): 32298330

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 125, 145, 150, 174, 250, 290, 375, 435, 725, 750, 870, 937, 1450, 1874, 2175, 2811, 3625, 4350, 4685, 5622, 7250, 9370, 10875, 14055, 21750, 23425, 27173, 28110, 46850, 54346, 70275, 81519, 117125, 135865, 140550, 163038, 234250, 271730, 351375, 407595, 679325, 702750, 815190, 1358650, 2037975, 3396625, 4075950, 6793250, 10189875, 20379750]

約数ペア:

[(1, 20379750), (2, 10189875), (3, 6793250), (5, 4075950), (6, 3396625), (10, 2037975), (15, 1358650), (25, 815190), (29, 702750), (30, 679325), (50, 407595), (58, 351375), (75, 271730), (87, 234250), (125, 163038), (145, 140550), (150, 135865), (174, 117125), (250, 81519), (290, 70275), (375, 54346), (435, 46850), (725, 28110), (750, 27173), (870, 23425), (937, 21750), (1450, 14055), (1874, 10875), (2175, 9370), (2811, 7250), (3625, 5622), (4350, 4685)]