20631204

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 58024512

約数和(自身を除く): 37393308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 983, 1166, 1749, 1908, 1966, 2332, 2949, 3498, 3932, 5247, 5898, 6996, 8847, 10494, 10813, 11796, 17694, 20988, 21626, 32439, 35388, 43252, 52099, 64878, 97317, 104198, 129756, 156297, 194634, 208396, 312594, 389268, 468891, 573089, 625188, 937782, 1146178, 1719267, 1875564, 2292356, 3438534, 5157801, 6877068, 10315602, 20631204]

約数ペア:

[(1, 20631204), (2, 10315602), (3, 6877068), (4, 5157801), (6, 3438534), (9, 2292356), (11, 1875564), (12, 1719267), (18, 1146178), (22, 937782), (33, 625188), (36, 573089), (44, 468891), (53, 389268), (66, 312594), (99, 208396), (106, 194634), (132, 156297), (159, 129756), (198, 104198), (212, 97317), (318, 64878), (396, 52099), (477, 43252), (583, 35388), (636, 32439), (954, 21626), (983, 20988), (1166, 17694), (1749, 11796), (1908, 10813), (1966, 10494), (2332, 8847), (2949, 6996), (3498, 5898), (3932, 5247)]