20806320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86693}}^1$

素因数の和:86709

約数の個数: 40

約数和(自身を含む): 64500336

約数和(自身を除く): 43694016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86693, 173386, 260079, 346772, 433465, 520158, 693544, 866930, 1040316, 1300395, 1387088, 1733860, 2080632, 2600790, 3467720, 4161264, 5201580, 6935440, 10403160, 20806320]

約数ペア:

[(1, 20806320), (2, 10403160), (3, 6935440), (4, 5201580), (5, 4161264), (6, 3467720), (8, 2600790), (10, 2080632), (12, 1733860), (15, 1387088), (16, 1300395), (20, 1040316), (24, 866930), (30, 693544), (40, 520158), (48, 433465), (60, 346772), (80, 260079), (120, 173386), (240, 86693)]