20622296

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 40958400

約数和(自身を除く): 20336104

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 643, 844, 1286, 1688, 2572, 4009, 5144, 8018, 12217, 16036, 24434, 32072, 48868, 97736, 135673, 271346, 542692, 1085384, 2577787, 5155574, 10311148, 20622296]

約数ペア:

[(1, 20622296), (2, 10311148), (4, 5155574), (8, 2577787), (19, 1085384), (38, 542692), (76, 271346), (152, 135673), (211, 97736), (422, 48868), (643, 32072), (844, 24434), (1286, 16036), (1688, 12217), (2572, 8018), (4009, 5144)]