20823426680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74369381}}^1$

素因数の和:74369399

約数の個数: 32

約数和(自身を含む): 53545955040

約数和(自身を除く): 32722528360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74369381, 148738762, 297477524, 371846905, 520585667, 594955048, 743693810, 1041171334, 1487387620, 2082342668, 2602928335, 2974775240, 4164685336, 5205856670, 10411713340, 20823426680]

約数ペア:

[(1, 20823426680), (2, 10411713340), (4, 5205856670), (5, 4164685336), (7, 2974775240), (8, 2602928335), (10, 2082342668), (14, 1487387620), (20, 1041171334), (28, 743693810), (35, 594955048), (40, 520585667), (56, 371846905), (70, 297477524), (140, 148738762), (280, 74369381)]