20802024280

素因数分解:

$2^3\times 5^1\times {\mathrm{2347}}^1\times {\mathrm{221581}}^1$

素因数の和:223939

約数の個数: 32

約数和(自身を含む): 46824708240

約数和(自身を除く): 26022683960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2347, 4694, 9388, 11735, 18776, 23470, 46940, 93880, 221581, 443162, 886324, 1107905, 1772648, 2215810, 4431620, 8863240, 520050607, 1040101214, 2080202428, 2600253035, 4160404856, 5200506070, 10401012140, 20802024280]

約数ペア:

[(1, 20802024280), (2, 10401012140), (4, 5200506070), (5, 4160404856), (8, 2600253035), (10, 2080202428), (20, 1040101214), (40, 520050607), (2347, 8863240), (4694, 4431620), (9388, 2215810), (11735, 1772648), (18776, 1107905), (23470, 886324), (46940, 443162), (93880, 221581)]