20402892

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19543}}^1$

素因数の和:19582

約数の個数: 36

約数和(自身を含む): 53355120

約数和(自身を除く): 32952228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19543, 39086, 58629, 78172, 117258, 175887, 234516, 351774, 566747, 703548, 1133494, 1700241, 2266988, 3400482, 5100723, 6800964, 10201446, 20402892]

約数ペア:

[(1, 20402892), (2, 10201446), (3, 6800964), (4, 5100723), (6, 3400482), (9, 2266988), (12, 1700241), (18, 1133494), (29, 703548), (36, 566747), (58, 351774), (87, 234516), (116, 175887), (174, 117258), (261, 78172), (348, 58629), (522, 39086), (1044, 19543)]