20017202408

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{814237}}^1$

素因数の和:814689

約数の個数: 32

約数和(自身を含む): 42991766400

約数和(自身を除く): 22974563992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 878, 1756, 3073, 3512, 6146, 12292, 24584, 814237, 1628474, 3256948, 5699659, 6513896, 11399318, 22798636, 45597272, 357450043, 714900086, 1429800172, 2502150301, 2859600344, 5004300602, 10008601204, 20017202408]

約数ペア:

[(1, 20017202408), (2, 10008601204), (4, 5004300602), (7, 2859600344), (8, 2502150301), (14, 1429800172), (28, 714900086), (56, 357450043), (439, 45597272), (878, 22798636), (1756, 11399318), (3073, 6513896), (3512, 5699659), (6146, 3256948), (12292, 1628474), (24584, 814237)]