20586056

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 40419000

約数和(自身を除く): 19832944

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 997, 1994, 2581, 3988, 5162, 7976, 10324, 20648, 28913, 57826, 88733, 115652, 177466, 231304, 354932, 709864, 2573257, 5146514, 10293028, 20586056]

約数ペア:

[(1, 20586056), (2, 10293028), (4, 5146514), (8, 2573257), (29, 709864), (58, 354932), (89, 231304), (116, 177466), (178, 115652), (232, 88733), (356, 57826), (712, 28913), (997, 20648), (1994, 10324), (2581, 7976), (3988, 5162)]