20321760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42337}}^1$

素因数の和:42355

約数の個数: 48

約数和(自身を含む): 64015056

約数和(自身を除く): 43693296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42337, 84674, 127011, 169348, 211685, 254022, 338696, 423370, 508044, 635055, 677392, 846740, 1016088, 1270110, 1354784, 1693480, 2032176, 2540220, 3386960, 4064352, 5080440, 6773920, 10160880, 20321760]

約数ペア:

[(1, 20321760), (2, 10160880), (3, 6773920), (4, 5080440), (5, 4064352), (6, 3386960), (8, 2540220), (10, 2032176), (12, 1693480), (15, 1354784), (16, 1270110), (20, 1016088), (24, 846740), (30, 677392), (32, 635055), (40, 508044), (48, 423370), (60, 338696), (80, 254022), (96, 211685), (120, 169348), (160, 127011), (240, 84674), (480, 42337)]