20158872668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1\times {\mathrm{7207}}^1$

素因数の和:7794

約数の個数: 48

約数和(自身を含む): 38837395968

約数和(自身を除く): 18678523300

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 421, 604, 842, 1661, 1684, 3322, 4631, 6644, 7207, 9262, 14414, 18524, 28828, 63571, 79277, 127142, 158554, 254284, 317108, 699281, 1088257, 1398562, 2176514, 2797124, 3034147, 4353028, 6068294, 11970827, 12136588, 23941654, 33375617, 47883308, 66751234, 133502468, 458156197, 916312394, 1832624788, 5039718167, 10079436334, 20158872668]

約数ペア:

[(1, 20158872668), (2, 10079436334), (4, 5039718167), (11, 1832624788), (22, 916312394), (44, 458156197), (151, 133502468), (302, 66751234), (421, 47883308), (604, 33375617), (842, 23941654), (1661, 12136588), (1684, 11970827), (3322, 6068294), (4631, 4353028), (6644, 3034147), (7207, 2797124), (9262, 2176514), (14414, 1398562), (18524, 1088257), (28828, 699281), (63571, 317108), (79277, 254284), (127142, 158554)]