20367585

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3079}}^1$

素因数の和:3107

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 21766815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 3079, 6615, 9237, 15395, 21553, 27711, 46185, 64659, 83133, 107765, 138555, 150871, 193977, 323295, 415665, 452613, 581931, 754355, 969885, 1357839, 2263065, 2909655, 4073517, 6789195, 20367585]

約数ペア:

[(1, 20367585), (3, 6789195), (5, 4073517), (7, 2909655), (9, 2263065), (15, 1357839), (21, 969885), (27, 754355), (35, 581931), (45, 452613), (49, 415665), (63, 323295), (105, 193977), (135, 150871), (147, 138555), (189, 107765), (245, 83133), (315, 64659), (441, 46185), (735, 27711), (945, 21553), (1323, 15395), (2205, 9237), (3079, 6615)]