20175954253

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1\times {\mathrm{4229}}^1$

素因数の和:4861

約数の個数: 32

約数和(自身を含む): 25128230400

約数和(自身を除く): 4952276147

約数列:

[1, 7, 13, 91, 103, 509, 721, 1339, 3563, 4229, 6617, 9373, 29603, 46319, 52427, 54977, 366989, 384839, 435587, 681551, 2152561, 3049109, 4770857, 5662631, 15067927, 27983293, 39638417, 195883051, 221713783, 1551996481, 2882279179, 20175954253]

約数ペア:

[(1, 20175954253), (7, 2882279179), (13, 1551996481), (91, 221713783), (103, 195883051), (509, 39638417), (721, 27983293), (1339, 15067927), (3563, 5662631), (4229, 4770857), (6617, 3049109), (9373, 2152561), (29603, 681551), (46319, 435587), (52427, 384839), (54977, 366989)]