20867496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66883}}^1$

素因数の和:66905

約数の個数: 32

約数和(自身を含む): 56182560

約数和(自身を除く): 35315064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66883, 133766, 200649, 267532, 401298, 535064, 802596, 869479, 1605192, 1738958, 2608437, 3477916, 5216874, 6955832, 10433748, 20867496]

約数ペア:

[(1, 20867496), (2, 10433748), (3, 6955832), (4, 5216874), (6, 3477916), (8, 2608437), (12, 1738958), (13, 1605192), (24, 869479), (26, 802596), (39, 535064), (52, 401298), (78, 267532), (104, 200649), (156, 133766), (312, 66883)]