20115576

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21491}}^1$

素因数の和:21516

約数の個数: 48

約数和(自身を含む): 58673160

約数和(自身を除く): 38557584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21491, 42982, 64473, 85964, 128946, 171928, 193419, 257892, 279383, 386838, 515784, 558766, 773676, 838149, 1117532, 1547352, 1676298, 2235064, 2514447, 3352596, 5028894, 6705192, 10057788, 20115576]

約数ペア:

[(1, 20115576), (2, 10057788), (3, 6705192), (4, 5028894), (6, 3352596), (8, 2514447), (9, 2235064), (12, 1676298), (13, 1547352), (18, 1117532), (24, 838149), (26, 773676), (36, 558766), (39, 515784), (52, 386838), (72, 279383), (78, 257892), (104, 193419), (117, 171928), (156, 128946), (234, 85964), (312, 64473), (468, 42982), (936, 21491)]