20613735

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5147}}^1$

素因数の和:5247

約数の個数: 24

約数和(自身を含む): 36138960

約数和(自身を除く): 15525225

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 5147, 15441, 25735, 46323, 77205, 231615, 458083, 1374249, 2290415, 4122747, 6871245, 20613735]

約数ペア:

[(1, 20613735), (3, 6871245), (5, 4122747), (9, 2290415), (15, 1374249), (45, 458083), (89, 231615), (267, 77205), (445, 46323), (801, 25735), (1335, 15441), (4005, 5147)]