13785020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16811}}^1$

素因数の和:16861

約数の個数: 24

約数和(自身を含む): 29656368

約数和(自身を除く): 15871348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16811, 33622, 67244, 84055, 168110, 336220, 689251, 1378502, 2757004, 3446255, 6892510, 13785020]

約数ペア:

[(1, 13785020), (2, 6892510), (4, 3446255), (5, 2757004), (10, 1378502), (20, 689251), (41, 336220), (82, 168110), (164, 84055), (205, 67244), (410, 33622), (820, 16811)]