20131423208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{196919}}^1$

素因数の和:197921

約数の個数: 32

約数和(自身を含む): 40691548800

約数和(自身を除く): 20560125592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 983, 1966, 3932, 7864, 12779, 25558, 51116, 102232, 196919, 393838, 787676, 1575352, 2559947, 5119894, 10239788, 20479576, 193571377, 387142754, 774285508, 1548571016, 2516427901, 5032855802, 10065711604, 20131423208]

約数ペア:

[(1, 20131423208), (2, 10065711604), (4, 5032855802), (8, 2516427901), (13, 1548571016), (26, 774285508), (52, 387142754), (104, 193571377), (983, 20479576), (1966, 10239788), (3932, 5119894), (7864, 2559947), (12779, 1575352), (25558, 787676), (51116, 393838), (102232, 196919)]