20823538

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 13577486

約数列:

[1, 2, 17, 34, 47, 83, 94, 157, 166, 314, 799, 1411, 1598, 2669, 2822, 3901, 5338, 7379, 7802, 13031, 14758, 26062, 66317, 125443, 132634, 221527, 250886, 443054, 612457, 1224914, 10411769, 20823538]

約数ペア:

[(1, 20823538), (2, 10411769), (17, 1224914), (34, 612457), (47, 443054), (83, 250886), (94, 221527), (157, 132634), (166, 125443), (314, 66317), (799, 26062), (1411, 14758), (1598, 13031), (2669, 7802), (2822, 7379), (3901, 5338)]