20654032

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6359}}^1$

素因数の和:6403

約数の個数: 40

約数和(自身を含む): 47318400

約数和(自身を除く): 26664368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6359, 12718, 25436, 44513, 50872, 89026, 101744, 178052, 184411, 356104, 368822, 712208, 737644, 1290877, 1475288, 2581754, 2950576, 5163508, 10327016, 20654032]

約数ペア:

[(1, 20654032), (2, 10327016), (4, 5163508), (7, 2950576), (8, 2581754), (14, 1475288), (16, 1290877), (28, 737644), (29, 712208), (56, 368822), (58, 356104), (112, 184411), (116, 178052), (203, 101744), (232, 89026), (406, 50872), (464, 44513), (812, 25436), (1624, 12718), (3248, 6359)]