20081048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{659}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 40748400

約数和(自身を除く): 20667352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 293, 586, 659, 1172, 1318, 2344, 2636, 3809, 5272, 7618, 8567, 15236, 17134, 30472, 34268, 68536, 193087, 386174, 772348, 1544696, 2510131, 5020262, 10040524, 20081048]

約数ペア:

[(1, 20081048), (2, 10040524), (4, 5020262), (8, 2510131), (13, 1544696), (26, 772348), (52, 386174), (104, 193087), (293, 68536), (586, 34268), (659, 30472), (1172, 17134), (1318, 15236), (2344, 8567), (2636, 7618), (3809, 5272)]