20706782

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11491}}^1$

素因数の和:11563

約数の個数: 16

約数和(自身を含む): 33510672

約数和(自身を除く): 12803890

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11491, 22982, 195347, 390694, 609023, 1218046, 10353391, 20706782]

約数ペア:

[(1, 20706782), (2, 10353391), (17, 1218046), (34, 609023), (53, 390694), (106, 195347), (901, 22982), (1802, 11491)]