20408208

素因数分解:

$2^4\times 3^1\times {\mathrm{227}}^1\times {\mathrm{1873}}^1$

素因数の和:2111

約数の個数: 40

約数和(自身を含む): 52981728

約数和(自身を除く): 32573520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 227, 454, 681, 908, 1362, 1816, 1873, 2724, 3632, 3746, 5448, 5619, 7492, 10896, 11238, 14984, 22476, 29968, 44952, 89904, 425171, 850342, 1275513, 1700684, 2551026, 3401368, 5102052, 6802736, 10204104, 20408208]

約数ペア:

[(1, 20408208), (2, 10204104), (3, 6802736), (4, 5102052), (6, 3401368), (8, 2551026), (12, 1700684), (16, 1275513), (24, 850342), (48, 425171), (227, 89904), (454, 44952), (681, 29968), (908, 22476), (1362, 14984), (1816, 11238), (1873, 10896), (2724, 7492), (3632, 5619), (3746, 5448)]