20506065

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 33914496

約数和(自身を除く): 13408431

約数列:

[1, 3, 5, 15, 61, 73, 183, 219, 305, 307, 365, 915, 921, 1095, 1535, 4453, 4605, 13359, 18727, 22265, 22411, 56181, 66795, 67233, 93635, 112055, 280905, 336165, 1367071, 4101213, 6835355, 20506065]

約数ペア:

[(1, 20506065), (3, 6835355), (5, 4101213), (15, 1367071), (61, 336165), (73, 280905), (183, 112055), (219, 93635), (305, 67233), (307, 66795), (365, 56181), (915, 22411), (921, 22265), (1095, 18727), (1535, 13359), (4453, 4605)]