20904944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21419}}^1$

素因数の和:21488

約数の個数: 20

約数和(自身を含む): 41169240

約数和(自身を除く): 20264296

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21419, 42838, 85676, 171352, 342704, 1306559, 2613118, 5226236, 10452472, 20904944]

約数ペア:

[(1, 20904944), (2, 10452472), (4, 5226236), (8, 2613118), (16, 1306559), (61, 342704), (122, 171352), (244, 85676), (488, 42838), (976, 21419)]