20995488

素因数分解:

$2^5\times 3^2\times {\mathrm{72901}}^1$

素因数の和:72917

約数の個数: 36

約数和(自身を含む): 59706738

約数和(自身を除く): 38711250

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72901, 145802, 218703, 291604, 437406, 583208, 656109, 874812, 1166416, 1312218, 1749624, 2332832, 2624436, 3499248, 5248872, 6998496, 10497744, 20995488]

約数ペア:

[(1, 20995488), (2, 10497744), (3, 6998496), (4, 5248872), (6, 3499248), (8, 2624436), (9, 2332832), (12, 1749624), (16, 1312218), (18, 1166416), (24, 874812), (32, 656109), (36, 583208), (48, 437406), (72, 291604), (96, 218703), (144, 145802), (288, 72901)]