20867832

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2659}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 57057000

約数和(自身を除く): 36189168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2659, 3924, 5318, 7848, 7977, 10636, 15954, 21272, 23931, 31908, 47862, 63816, 95724, 191448, 289831, 579662, 869493, 1159324, 1738986, 2318648, 2608479, 3477972, 5216958, 6955944, 10433916, 20867832]

約数ペア:

[(1, 20867832), (2, 10433916), (3, 6955944), (4, 5216958), (6, 3477972), (8, 2608479), (9, 2318648), (12, 1738986), (18, 1159324), (24, 869493), (36, 579662), (72, 289831), (109, 191448), (218, 95724), (327, 63816), (436, 47862), (654, 31908), (872, 23931), (981, 21272), (1308, 15954), (1962, 10636), (2616, 7977), (2659, 7848), (3924, 5318)]