20742570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6229}}^1$

素因数の和:6279

約数の個数: 48

約数和(自身を含む): 55397160

約数和(自身を除く): 34654590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6229, 12458, 18687, 31145, 37374, 56061, 62290, 93435, 112122, 186870, 230473, 280305, 460946, 560610, 691419, 1152365, 1382838, 2074257, 2304730, 3457095, 4148514, 6914190, 10371285, 20742570]

約数ペア:

[(1, 20742570), (2, 10371285), (3, 6914190), (5, 4148514), (6, 3457095), (9, 2304730), (10, 2074257), (15, 1382838), (18, 1152365), (30, 691419), (37, 560610), (45, 460946), (74, 280305), (90, 230473), (111, 186870), (185, 112122), (222, 93435), (333, 62290), (370, 56061), (555, 37374), (666, 31145), (1110, 18687), (1665, 12458), (3330, 6229)]