20609970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 50701248

約数和(自身を除く): 30091278

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 311, 470, 622, 705, 933, 1410, 1555, 1866, 2209, 3110, 4418, 4665, 6627, 9330, 11045, 13254, 14617, 22090, 29234, 33135, 43851, 66270, 73085, 87702, 146170, 219255, 438510, 686999, 1373998, 2060997, 3434995, 4121994, 6869990, 10304985, 20609970]

約数ペア:

[(1, 20609970), (2, 10304985), (3, 6869990), (5, 4121994), (6, 3434995), (10, 2060997), (15, 1373998), (30, 686999), (47, 438510), (94, 219255), (141, 146170), (235, 87702), (282, 73085), (311, 66270), (470, 43851), (622, 33135), (705, 29234), (933, 22090), (1410, 14617), (1555, 13254), (1866, 11045), (2209, 9330), (3110, 6627), (4418, 4665)]