20924948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4363}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 40323360

約数和(自身を除く): 19398412

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4363, 4796, 8726, 17452, 47993, 95986, 191972, 475567, 951134, 1902268, 5231237, 10462474, 20924948]

約数ペア:

[(1, 20924948), (2, 10462474), (4, 5231237), (11, 1902268), (22, 951134), (44, 475567), (109, 191972), (218, 95986), (436, 47993), (1199, 17452), (2398, 8726), (4363, 4796)]