20357328

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13681}}^1$

素因数の和:13723

約数の個数: 40

約数和(自身を含む): 54290176

約数和(自身を除く): 33932848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13681, 27362, 41043, 54724, 82086, 109448, 164172, 218896, 328344, 424111, 656688, 848222, 1272333, 1696444, 2544666, 3392888, 5089332, 6785776, 10178664, 20357328]

約数ペア:

[(1, 20357328), (2, 10178664), (3, 6785776), (4, 5089332), (6, 3392888), (8, 2544666), (12, 1696444), (16, 1272333), (24, 848222), (31, 656688), (48, 424111), (62, 328344), (93, 218896), (124, 164172), (186, 109448), (248, 82086), (372, 54724), (496, 41043), (744, 27362), (1488, 13681)]