20528930992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{148279}}^1$

素因数の和:148813

約数の個数: 40

約数和(自身を含む): 42197522400

約数和(自身を除く): 21668591408

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 509, 1018, 2036, 4072, 8144, 8653, 17306, 34612, 69224, 138448, 148279, 296558, 593116, 1186232, 2372464, 2520743, 5041486, 10082972, 20165944, 40331888, 75474011, 150948022, 301896044, 603792088, 1207584176, 1283058187, 2566116374, 5132232748, 10264465496, 20528930992]

約数ペア:

[(1, 20528930992), (2, 10264465496), (4, 5132232748), (8, 2566116374), (16, 1283058187), (17, 1207584176), (34, 603792088), (68, 301896044), (136, 150948022), (272, 75474011), (509, 40331888), (1018, 20165944), (2036, 10082972), (4072, 5041486), (8144, 2520743), (8653, 2372464), (17306, 1186232), (34612, 593116), (69224, 296558), (138448, 148279)]