20057715

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7307}}^1$

素因数の和:7379

約数の個数: 24

約数和(自身を含む): 35341488

約数和(自身を除く): 15283773

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 7307, 21921, 36535, 65763, 109605, 328815, 445727, 1337181, 2228635, 4011543, 6685905, 20057715]

約数ペア:

[(1, 20057715), (3, 6685905), (5, 4011543), (9, 2228635), (15, 1337181), (45, 445727), (61, 328815), (183, 109605), (305, 65763), (549, 36535), (915, 21921), (2745, 7307)]