20295018

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 46665216

約数和(自身を除く): 26370198

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 983, 1147, 1966, 2294, 2949, 3441, 5898, 6882, 8847, 10323, 17694, 20646, 30473, 36371, 60946, 72742, 91419, 109113, 182838, 218226, 274257, 327339, 548514, 654678, 1127501, 2255002, 3382503, 6765006, 10147509, 20295018]

約数ペア:

[(1, 20295018), (2, 10147509), (3, 6765006), (6, 3382503), (9, 2255002), (18, 1127501), (31, 654678), (37, 548514), (62, 327339), (74, 274257), (93, 218226), (111, 182838), (186, 109113), (222, 91419), (279, 72742), (333, 60946), (558, 36371), (666, 30473), (983, 20646), (1147, 17694), (1966, 10323), (2294, 8847), (2949, 6882), (3441, 5898)]