16720814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 28394496

約数和(自身を除く): 11673682

約数列:

[1, 2, 11, 22, 47, 94, 103, 157, 206, 314, 517, 1034, 1133, 1727, 2266, 3454, 4841, 7379, 9682, 14758, 16171, 32342, 53251, 81169, 106502, 162338, 177881, 355762, 760037, 1520074, 8360407, 16720814]

約数ペア:

[(1, 16720814), (2, 8360407), (11, 1520074), (22, 760037), (47, 355762), (94, 177881), (103, 162338), (157, 106502), (206, 81169), (314, 53251), (517, 32342), (1034, 16171), (1133, 14758), (1727, 9682), (2266, 7379), (3454, 4841)]