20739872

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{22349}}^1$

素因数の和:22388

約数の個数: 24

約数和(自身を含む): 42241500

約数和(自身を除く): 21501628

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 22349, 44698, 89396, 178792, 357584, 648121, 715168, 1296242, 2592484, 5184968, 10369936, 20739872]

約数ペア:

[(1, 20739872), (2, 10369936), (4, 5184968), (8, 2592484), (16, 1296242), (29, 715168), (32, 648121), (58, 357584), (116, 178792), (232, 89396), (464, 44698), (928, 22349)]