20432144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67211}}^1$

素因数の和:67238

約数の個数: 20

約数和(自身を含む): 41671440

約数和(自身を除く): 21239296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67211, 134422, 268844, 537688, 1075376, 1277009, 2554018, 5108036, 10216072, 20432144]

約数ペア:

[(1, 20432144), (2, 10216072), (4, 5108036), (8, 2554018), (16, 1277009), (19, 1075376), (38, 537688), (76, 268844), (152, 134422), (304, 67211)]