20598714

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 46362888

約数和(自身を除く): 25764174

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 157, 197, 222, 314, 333, 394, 471, 591, 666, 942, 1182, 1413, 1773, 2826, 3546, 5809, 7289, 11618, 14578, 17427, 21867, 30929, 34854, 43734, 52281, 61858, 65601, 92787, 104562, 131202, 185574, 278361, 556722, 1144373, 2288746, 3433119, 6866238, 10299357, 20598714]

約数ペア:

[(1, 20598714), (2, 10299357), (3, 6866238), (6, 3433119), (9, 2288746), (18, 1144373), (37, 556722), (74, 278361), (111, 185574), (157, 131202), (197, 104562), (222, 92787), (314, 65601), (333, 61858), (394, 52281), (471, 43734), (591, 34854), (666, 30929), (942, 21867), (1182, 17427), (1413, 14578), (1773, 11618), (2826, 7289), (3546, 5809)]