20889267

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 33807360

約数和(自身を除く): 12918093

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 709, 1281, 1403, 2127, 4209, 4963, 9821, 14889, 16307, 29463, 43249, 48921, 114149, 129747, 302743, 342447, 908229, 994727, 2984181, 6963089, 20889267]

約数ペア:

[(1, 20889267), (3, 6963089), (7, 2984181), (21, 994727), (23, 908229), (61, 342447), (69, 302743), (161, 129747), (183, 114149), (427, 48921), (483, 43249), (709, 29463), (1281, 16307), (1403, 14889), (2127, 9821), (4209, 4963)]