20245589

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 7333291

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 569, 1547, 2093, 2737, 3983, 5083, 7397, 9673, 13087, 35581, 51779, 67711, 91609, 125749, 170131, 222479, 880243, 1190917, 1557353, 2892227, 20245589]

約数ペア:

[(1, 20245589), (7, 2892227), (13, 1557353), (17, 1190917), (23, 880243), (91, 222479), (119, 170131), (161, 125749), (221, 91609), (299, 67711), (391, 51779), (569, 35581), (1547, 13087), (2093, 9673), (2737, 7397), (3983, 5083)]