20007117

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 31286528

約数和(自身を除く): 11279411

約数列:

[1, 3, 9, 13, 39, 117, 271, 631, 813, 1893, 2439, 3523, 5679, 8203, 10569, 24609, 31707, 73827, 171001, 513003, 1539009, 2223013, 6669039, 20007117]

約数ペア:

[(1, 20007117), (3, 6669039), (9, 2223013), (13, 1539009), (39, 513003), (117, 171001), (271, 73827), (631, 31707), (813, 24609), (1893, 10569), (2439, 8203), (3523, 5679)]