20853966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2131}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 47893248

約数和(自身を除く): 27039282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 233, 466, 699, 1398, 1631, 2131, 3262, 4262, 4893, 6393, 9786, 12786, 14917, 29834, 44751, 89502, 496523, 993046, 1489569, 2979138, 3475661, 6951322, 10426983, 20853966]

約数ペア:

[(1, 20853966), (2, 10426983), (3, 6951322), (6, 3475661), (7, 2979138), (14, 1489569), (21, 993046), (42, 496523), (233, 89502), (466, 44751), (699, 29834), (1398, 14917), (1631, 12786), (2131, 9786), (3262, 6393), (4262, 4893)]