20511331390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7283}}^1\times {\mathrm{25603}}^1$

素因数の和:32904

約数の個数: 32

約数和(自身を含む): 40283899776

約数和(自身を除く): 19772568386

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 7283, 14566, 25603, 36415, 51206, 72830, 80113, 128015, 160226, 256030, 281633, 400565, 563266, 801130, 1408165, 2816330, 186466649, 372933298, 932333245, 1864666490, 2051133139, 4102266278, 10255665695, 20511331390]

約数ペア:

[(1, 20511331390), (2, 10255665695), (5, 4102266278), (10, 2051133139), (11, 1864666490), (22, 932333245), (55, 372933298), (110, 186466649), (7283, 2816330), (14566, 1408165), (25603, 801130), (36415, 563266), (51206, 400565), (72830, 281633), (80113, 256030), (128015, 160226)]