20893958

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 24

約数和(自身を含む): 33896808

約数和(自身を除く): 13002850

約数列:

[1, 2, 19, 38, 43, 86, 361, 673, 722, 817, 1346, 1634, 12787, 15523, 25574, 28939, 31046, 57878, 242953, 485906, 549841, 1099682, 10446979, 20893958]

約数ペア:

[(1, 20893958), (2, 10446979), (19, 1099682), (38, 549841), (43, 485906), (86, 242953), (361, 57878), (673, 31046), (722, 28939), (817, 25574), (1346, 15523), (1634, 12787)]