20456528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41243}}^1$

素因数の和:41282

約数の個数: 20

約数和(自身を含む): 40914048

約数和(自身を除く): 20457520

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41243, 82486, 164972, 329944, 659888, 1278533, 2557066, 5114132, 10228264, 20456528]

約数ペア:

[(1, 20456528), (2, 10228264), (4, 5114132), (8, 2557066), (16, 1278533), (31, 659888), (62, 329944), (124, 164972), (248, 82486), (496, 41243)]