20940129

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{877}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 34698560

約数和(自身を除く): 13758431

約数列:

[1, 3, 7, 9, 21, 63, 379, 877, 1137, 2631, 2653, 3411, 6139, 7893, 7959, 18417, 23877, 55251, 332383, 997149, 2326681, 2991447, 6980043, 20940129]

約数ペア:

[(1, 20940129), (3, 6980043), (7, 2991447), (9, 2326681), (21, 997149), (63, 332383), (379, 55251), (877, 23877), (1137, 18417), (2631, 7959), (2653, 7893), (3411, 6139)]