20486040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5507}}^1$

素因数の和:5552

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 42966120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5507, 11014, 16521, 22028, 27535, 33042, 44056, 55070, 66084, 82605, 110140, 132168, 165210, 170717, 220280, 330420, 341434, 512151, 660840, 682868, 853585, 1024302, 1365736, 1707170, 2048604, 2560755, 3414340, 4097208, 5121510, 6828680, 10243020, 20486040]

約数ペア:

[(1, 20486040), (2, 10243020), (3, 6828680), (4, 5121510), (5, 4097208), (6, 3414340), (8, 2560755), (10, 2048604), (12, 1707170), (15, 1365736), (20, 1024302), (24, 853585), (30, 682868), (31, 660840), (40, 512151), (60, 341434), (62, 330420), (93, 220280), (120, 170717), (124, 165210), (155, 132168), (186, 110140), (248, 82605), (310, 66084), (372, 55070), (465, 44056), (620, 33042), (744, 27535), (930, 22028), (1240, 16521), (1860, 11014), (3720, 5507)]