20405463

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10237737

約数列:

[1, 3, 13, 37, 39, 79, 111, 179, 237, 481, 537, 1027, 1443, 2327, 2923, 3081, 6623, 6981, 8769, 14141, 19869, 37999, 42423, 86099, 113997, 183833, 258297, 523217, 551499, 1569651, 6801821, 20405463]

約数ペア:

[(1, 20405463), (3, 6801821), (13, 1569651), (37, 551499), (39, 523217), (79, 258297), (111, 183833), (179, 113997), (237, 86099), (481, 42423), (537, 37999), (1027, 19869), (1443, 14141), (2327, 8769), (2923, 6981), (3081, 6623)]