20629128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 57072960

約数和(自身を除く): 36443832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1787, 1924, 2886, 3574, 3848, 5361, 5772, 7148, 10722, 11544, 14296, 21444, 23231, 42888, 46462, 66119, 69693, 92924, 132238, 139386, 185848, 198357, 264476, 278772, 396714, 528952, 557544, 793428, 859547, 1586856, 1719094, 2578641, 3438188, 5157282, 6876376, 10314564, 20629128]

約数ペア:

[(1, 20629128), (2, 10314564), (3, 6876376), (4, 5157282), (6, 3438188), (8, 2578641), (12, 1719094), (13, 1586856), (24, 859547), (26, 793428), (37, 557544), (39, 528952), (52, 396714), (74, 278772), (78, 264476), (104, 198357), (111, 185848), (148, 139386), (156, 132238), (222, 92924), (296, 69693), (312, 66119), (444, 46462), (481, 42888), (888, 23231), (962, 21444), (1443, 14296), (1787, 11544), (1924, 10722), (2886, 7148), (3574, 5772), (3848, 5361)]