20195604

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3923}}^1$

素因数の和:3957

約数の個数: 72

約数和(自身を含む): 59990112

約数和(自身を除く): 39794508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 3923, 5148, 7846, 11769, 15692, 23538, 35307, 43153, 47076, 50999, 70614, 86306, 101998, 129459, 141228, 152997, 172612, 203996, 258918, 305994, 388377, 458991, 517836, 560989, 611988, 776754, 917982, 1121978, 1553508, 1682967, 1835964, 2243956, 3365934, 5048901, 6731868, 10097802, 20195604]

約数ペア:

[(1, 20195604), (2, 10097802), (3, 6731868), (4, 5048901), (6, 3365934), (9, 2243956), (11, 1835964), (12, 1682967), (13, 1553508), (18, 1121978), (22, 917982), (26, 776754), (33, 611988), (36, 560989), (39, 517836), (44, 458991), (52, 388377), (66, 305994), (78, 258918), (99, 203996), (117, 172612), (132, 152997), (143, 141228), (156, 129459), (198, 101998), (234, 86306), (286, 70614), (396, 50999), (429, 47076), (468, 43153), (572, 35307), (858, 23538), (1287, 15692), (1716, 11769), (2574, 7846), (3923, 5148)]