20173480180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{618439}}^1$

素因数の和:618688

約数の個数: 48

約数和(自身を含む): 48624226560

約数和(自身を除く): 28450746380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 2330, 3262, 4660, 6524, 8155, 16310, 32620, 618439, 1236878, 2473756, 3092195, 4329073, 6184390, 8658146, 12368780, 17316292, 21645365, 43290730, 86581460, 144096287, 288192574, 576385148, 720481435, 1008674009, 1440962870, 2017348018, 2881925740, 4034696036, 5043370045, 10086740090, 20173480180]

約数ペア:

[(1, 20173480180), (2, 10086740090), (4, 5043370045), (5, 4034696036), (7, 2881925740), (10, 2017348018), (14, 1440962870), (20, 1008674009), (28, 720481435), (35, 576385148), (70, 288192574), (140, 144096287), (233, 86581460), (466, 43290730), (932, 21645365), (1165, 17316292), (1631, 12368780), (2330, 8658146), (3262, 6184390), (4660, 4329073), (6524, 3092195), (8155, 2473756), (16310, 1236878), (32620, 618439)]