20012436

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^2\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 54

約数和(自身を含む): 52470782

約数和(自身を除く): 32458346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 661, 841, 1044, 1322, 1682, 1983, 2523, 2644, 3364, 3966, 5046, 5949, 7569, 7932, 10092, 11898, 15138, 19169, 23796, 30276, 38338, 57507, 76676, 115014, 172521, 230028, 345042, 555901, 690084, 1111802, 1667703, 2223604, 3335406, 5003109, 6670812, 10006218, 20012436]

約数ペア:

[(1, 20012436), (2, 10006218), (3, 6670812), (4, 5003109), (6, 3335406), (9, 2223604), (12, 1667703), (18, 1111802), (29, 690084), (36, 555901), (58, 345042), (87, 230028), (116, 172521), (174, 115014), (261, 76676), (348, 57507), (522, 38338), (661, 30276), (841, 23796), (1044, 19169), (1322, 15138), (1682, 11898), (1983, 10092), (2523, 7932), (2644, 7569), (3364, 5949), (3966, 5046)]