20851488

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10343}}^1$

素因数の和:10366

約数の個数: 72

約数和(自身を含む): 67773888

約数和(自身を除く): 46922400

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10343, 20686, 31029, 41372, 62058, 72401, 82744, 93087, 124116, 144802, 165488, 186174, 217203, 248232, 289604, 330976, 372348, 434406, 496464, 579208, 651609, 744696, 868812, 992928, 1158416, 1303218, 1489392, 1737624, 2316832, 2606436, 2978784, 3475248, 5212872, 6950496, 10425744, 20851488]

約数ペア:

[(1, 20851488), (2, 10425744), (3, 6950496), (4, 5212872), (6, 3475248), (7, 2978784), (8, 2606436), (9, 2316832), (12, 1737624), (14, 1489392), (16, 1303218), (18, 1158416), (21, 992928), (24, 868812), (28, 744696), (32, 651609), (36, 579208), (42, 496464), (48, 434406), (56, 372348), (63, 330976), (72, 289604), (84, 248232), (96, 217203), (112, 186174), (126, 165488), (144, 144802), (168, 124116), (224, 93087), (252, 82744), (288, 72401), (336, 62058), (504, 41372), (672, 31029), (1008, 20686), (2016, 10343)]