20858896

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 41559840

約数和(自身を除く): 20700944

約数列:

[1, 2, 4, 8, 16, 83, 113, 139, 166, 226, 278, 332, 452, 556, 664, 904, 1112, 1328, 1808, 2224, 9379, 11537, 15707, 18758, 23074, 31414, 37516, 46148, 62828, 75032, 92296, 125656, 150064, 184592, 251312, 1303681, 2607362, 5214724, 10429448, 20858896]

約数ペア:

[(1, 20858896), (2, 10429448), (4, 5214724), (8, 2607362), (16, 1303681), (83, 251312), (113, 184592), (139, 150064), (166, 125656), (226, 92296), (278, 75032), (332, 62828), (452, 46148), (556, 37516), (664, 31414), (904, 23074), (1112, 18758), (1328, 15707), (1808, 11537), (2224, 9379)]