20813256

素因数分解:

$2^3\times 3^2\times {\mathrm{467}}^1\times {\mathrm{619}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 56581200

約数和(自身を除く): 35767944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 467, 619, 934, 1238, 1401, 1857, 1868, 2476, 2802, 3714, 3736, 4203, 4952, 5571, 5604, 7428, 8406, 11142, 11208, 14856, 16812, 22284, 33624, 44568, 289073, 578146, 867219, 1156292, 1734438, 2312584, 2601657, 3468876, 5203314, 6937752, 10406628, 20813256]

約数ペア:

[(1, 20813256), (2, 10406628), (3, 6937752), (4, 5203314), (6, 3468876), (8, 2601657), (9, 2312584), (12, 1734438), (18, 1156292), (24, 867219), (36, 578146), (72, 289073), (467, 44568), (619, 33624), (934, 22284), (1238, 16812), (1401, 14856), (1857, 11208), (1868, 11142), (2476, 8406), (2802, 7428), (3714, 5604), (3736, 5571), (4203, 4952)]