20974744

素因数分解:

$2^3\times 7^2\times {\mathrm{53507}}^1$

素因数の和:53527

約数の個数: 24

約数和(自身を含む): 45749340

約数和(自身を除く): 24774596

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53507, 107014, 214028, 374549, 428056, 749098, 1498196, 2621843, 2996392, 5243686, 10487372, 20974744]

約数ペア:

[(1, 20974744), (2, 10487372), (4, 5243686), (7, 2996392), (8, 2621843), (14, 1498196), (28, 749098), (49, 428056), (56, 374549), (98, 214028), (196, 107014), (392, 53507)]