20475972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1783}}^1$

素因数の和:1833

約数の個数: 72

約数和(自身を含む): 58443840

約数和(自身を除く): 37967868

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1783, 1914, 2871, 3566, 3828, 5349, 5742, 7132, 10698, 11484, 16047, 19613, 21396, 32094, 39226, 51707, 58839, 64188, 78452, 103414, 117678, 155121, 176517, 206828, 235356, 310242, 353034, 465363, 568777, 620484, 706068, 930726, 1137554, 1706331, 1861452, 2275108, 3412662, 5118993, 6825324, 10237986, 20475972]

約数ペア:

[(1, 20475972), (2, 10237986), (3, 6825324), (4, 5118993), (6, 3412662), (9, 2275108), (11, 1861452), (12, 1706331), (18, 1137554), (22, 930726), (29, 706068), (33, 620484), (36, 568777), (44, 465363), (58, 353034), (66, 310242), (87, 235356), (99, 206828), (116, 176517), (132, 155121), (174, 117678), (198, 103414), (261, 78452), (319, 64188), (348, 58839), (396, 51707), (522, 39226), (638, 32094), (957, 21396), (1044, 19613), (1276, 16047), (1783, 11484), (1914, 10698), (2871, 7132), (3566, 5742), (3828, 5349)]