20050804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 36324288

約数和(自身を除く): 16273484

約数列:

[1, 2, 4, 41, 82, 103, 164, 206, 412, 1187, 2374, 4223, 4748, 8446, 16892, 48667, 97334, 122261, 194668, 244522, 489044, 5012701, 10025402, 20050804]

約数ペア:

[(1, 20050804), (2, 10025402), (4, 5012701), (41, 489044), (82, 244522), (103, 194668), (164, 122261), (206, 97334), (412, 48667), (1187, 16892), (2374, 8446), (4223, 4748)]