20422768

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13159}}^1$

素因数の和:13264

約数の個数: 20

約数和(自身を含む): 39980080

約数和(自身を除く): 19557312

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13159, 26318, 52636, 105272, 210544, 1276423, 2552846, 5105692, 10211384, 20422768]

約数ペア:

[(1, 20422768), (2, 10211384), (4, 5105692), (8, 2552846), (16, 1276423), (97, 210544), (194, 105272), (388, 52636), (776, 26318), (1552, 13159)]