20277117

素因数分解:

$3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{877}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 33602816

約数和(自身を除く): 13325699

約数列:

[1, 3, 7, 9, 21, 63, 367, 877, 1101, 2569, 2631, 3303, 6139, 7707, 7893, 18417, 23121, 55251, 321859, 965577, 2253013, 2896731, 6759039, 20277117]

約数ペア:

[(1, 20277117), (3, 6759039), (7, 2896731), (9, 2253013), (21, 965577), (63, 321859), (367, 55251), (877, 23121), (1101, 18417), (2569, 7893), (2631, 7707), (3303, 6139)]