20712148

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 38630592

約数和(自身を除く): 17918444

約数列:

[1, 2, 4, 29, 47, 58, 94, 116, 131, 188, 262, 524, 841, 1363, 1682, 2726, 3364, 3799, 5452, 6157, 7598, 12314, 15196, 24628, 39527, 79054, 110171, 158108, 178553, 220342, 357106, 440684, 714212, 5178037, 10356074, 20712148]

約数ペア:

[(1, 20712148), (2, 10356074), (4, 5178037), (29, 714212), (47, 440684), (58, 357106), (94, 220342), (116, 178553), (131, 158108), (188, 110171), (262, 79054), (524, 39527), (841, 24628), (1363, 15196), (1682, 12314), (2726, 7598), (3364, 6157), (3799, 5452)]