20727992

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19491208

約数列:

[1, 2, 4, 8, 37, 74, 148, 239, 293, 296, 478, 586, 956, 1172, 1912, 2344, 8843, 10841, 17686, 21682, 35372, 43364, 70027, 70744, 86728, 140054, 280108, 560216, 2590999, 5181998, 10363996, 20727992]

約数ペア:

[(1, 20727992), (2, 10363996), (4, 5181998), (8, 2590999), (37, 560216), (74, 280108), (148, 140054), (239, 86728), (293, 70744), (296, 70027), (478, 43364), (586, 35372), (956, 21682), (1172, 17686), (1912, 10841), (2344, 8843)]