20586969

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{983}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 11648871

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 983, 1611, 2327, 2949, 6981, 8847, 12779, 20943, 38337, 115011, 175957, 527871, 1583613, 2287441, 6862323, 20586969]

約数ペア:

[(1, 20586969), (3, 6862323), (9, 2287441), (13, 1583613), (39, 527871), (117, 175957), (179, 115011), (537, 38337), (983, 20943), (1611, 12779), (2327, 8847), (2949, 6981)]