22156520

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{811}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 49986720

約数和(自身を除く): 27830200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 811, 1366, 1622, 2732, 3244, 3415, 4055, 5464, 6488, 6830, 8110, 13660, 16220, 27320, 32440, 553913, 1107826, 2215652, 2769565, 4431304, 5539130, 11078260, 22156520]

約数ペア:

[(1, 22156520), (2, 11078260), (4, 5539130), (5, 4431304), (8, 2769565), (10, 2215652), (20, 1107826), (40, 553913), (683, 32440), (811, 27320), (1366, 16220), (1622, 13660), (2732, 8110), (3244, 6830), (3415, 6488), (4055, 5464)]