20901744

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3923}}^1$

素因数の和:3974

約数の個数: 60

約数和(自身を含む): 60092136

約数和(自身を除く): 39190392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3923, 5328, 7846, 11769, 15692, 23538, 31384, 35307, 47076, 62768, 70614, 94152, 141228, 145151, 188304, 282456, 290302, 435453, 564912, 580604, 870906, 1161208, 1306359, 1741812, 2322416, 2612718, 3483624, 5225436, 6967248, 10450872, 20901744]

約数ペア:

[(1, 20901744), (2, 10450872), (3, 6967248), (4, 5225436), (6, 3483624), (8, 2612718), (9, 2322416), (12, 1741812), (16, 1306359), (18, 1161208), (24, 870906), (36, 580604), (37, 564912), (48, 435453), (72, 290302), (74, 282456), (111, 188304), (144, 145151), (148, 141228), (222, 94152), (296, 70614), (333, 62768), (444, 47076), (592, 35307), (666, 31384), (888, 23538), (1332, 15692), (1776, 11769), (2664, 7846), (3923, 5328)]