20487000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6829}}^1$

素因数の和:6853

約数の個数: 64

約数和(自身を含む): 63928800

約数和(自身を除く): 43441800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6829, 13658, 20487, 27316, 34145, 40974, 54632, 68290, 81948, 102435, 136580, 163896, 170725, 204870, 273160, 341450, 409740, 512175, 682900, 819480, 853625, 1024350, 1365800, 1707250, 2048700, 2560875, 3414500, 4097400, 5121750, 6829000, 10243500, 20487000]

約数ペア:

[(1, 20487000), (2, 10243500), (3, 6829000), (4, 5121750), (5, 4097400), (6, 3414500), (8, 2560875), (10, 2048700), (12, 1707250), (15, 1365800), (20, 1024350), (24, 853625), (25, 819480), (30, 682900), (40, 512175), (50, 409740), (60, 341450), (75, 273160), (100, 204870), (120, 170725), (125, 163896), (150, 136580), (200, 102435), (250, 81948), (300, 68290), (375, 54632), (500, 40974), (600, 34145), (750, 27316), (1000, 20487), (1500, 13658), (3000, 6829)]