20963782

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{8273}}^1$

素因数の和:8463

約数の個数: 16

約数和(自身を含む): 36140832

約数和(自身を除く): 15177050

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 8273, 16546, 57911, 115822, 1497413, 2994826, 10481891, 20963782]

約数ペア:

[(1, 20963782), (2, 10481891), (7, 2994826), (14, 1497413), (181, 115822), (362, 57911), (1267, 16546), (2534, 8273)]