20565706770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32643979}}^1$

素因数の和:32643999

約数の個数: 48

約数和(自身を含む): 61109530560

約数和(自身を除く): 40543823790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32643979, 65287958, 97931937, 163219895, 195863874, 228507853, 293795811, 326439790, 457015706, 489659685, 587591622, 685523559, 979319370, 1142539265, 1371047118, 1468979055, 2056570677, 2285078530, 2937958110, 3427617795, 4113141354, 6855235590, 10282853385, 20565706770]

約数ペア:

[(1, 20565706770), (2, 10282853385), (3, 6855235590), (5, 4113141354), (6, 3427617795), (7, 2937958110), (9, 2285078530), (10, 2056570677), (14, 1468979055), (15, 1371047118), (18, 1142539265), (21, 979319370), (30, 685523559), (35, 587591622), (42, 489659685), (45, 457015706), (63, 326439790), (70, 293795811), (90, 228507853), (105, 195863874), (126, 163219895), (210, 97931937), (315, 65287958), (630, 32643979)]