16920810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 44240040

約数和(自身を除く): 27319230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229, 458, 687, 821, 1145, 1374, 1642, 2061, 2290, 2463, 3435, 4105, 4122, 4926, 6870, 7389, 8210, 10305, 12315, 14778, 20610, 24630, 36945, 73890, 188009, 376018, 564027, 940045, 1128054, 1692081, 1880090, 2820135, 3384162, 5640270, 8460405, 16920810]

約数ペア:

[(1, 16920810), (2, 8460405), (3, 5640270), (5, 3384162), (6, 2820135), (9, 1880090), (10, 1692081), (15, 1128054), (18, 940045), (30, 564027), (45, 376018), (90, 188009), (229, 73890), (458, 36945), (687, 24630), (821, 20610), (1145, 14778), (1374, 12315), (1642, 10305), (2061, 8210), (2290, 7389), (2463, 6870), (3435, 4926), (4105, 4122)]