20009968974

素因数分解:

$2^1\times 3^4\times {\mathrm{281}}^1\times {\mathrm{439567}}^1$

素因数の和:439862

約数の個数: 40

約数和(自身を含む): 44996817888

約数和(自身を除く): 24986848914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 281, 562, 843, 1686, 2529, 5058, 7587, 15174, 22761, 45522, 439567, 879134, 1318701, 2637402, 3956103, 7912206, 11868309, 23736618, 35604927, 71209854, 123518327, 247036654, 370554981, 741109962, 1111664943, 2223329886, 3334994829, 6669989658, 10004984487, 20009968974]

約数ペア:

[(1, 20009968974), (2, 10004984487), (3, 6669989658), (6, 3334994829), (9, 2223329886), (18, 1111664943), (27, 741109962), (54, 370554981), (81, 247036654), (162, 123518327), (281, 71209854), (562, 35604927), (843, 23736618), (1686, 11868309), (2529, 7912206), (5058, 3956103), (7587, 2637402), (15174, 1318701), (22761, 879134), (45522, 439567)]