20658619812

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{55457}}^1$

素因数の和:56340

約数の個数: 48

約数和(自身を含む): 49566142080

約数和(自身を除く): 28907522268

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 839, 1678, 2517, 3356, 5034, 10068, 31043, 55457, 62086, 93129, 110914, 124172, 166371, 186258, 221828, 332742, 372516, 665484, 2051909, 4103818, 6155727, 8207636, 12311454, 24622908, 46528423, 93056846, 139585269, 186113692, 279170538, 558341076, 1721551651, 3443103302, 5164654953, 6886206604, 10329309906, 20658619812]

約数ペア:

[(1, 20658619812), (2, 10329309906), (3, 6886206604), (4, 5164654953), (6, 3443103302), (12, 1721551651), (37, 558341076), (74, 279170538), (111, 186113692), (148, 139585269), (222, 93056846), (444, 46528423), (839, 24622908), (1678, 12311454), (2517, 8207636), (3356, 6155727), (5034, 4103818), (10068, 2051909), (31043, 665484), (55457, 372516), (62086, 332742), (93129, 221828), (110914, 186258), (124172, 166371)]