20582190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3305

約数の個数: 48

約数和(自身を含む): 54284256

約数和(自身を除く): 33702066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 3221, 6390, 6442, 9663, 16105, 19326, 28989, 32210, 48315, 57978, 96630, 144945, 228691, 289890, 457382, 686073, 1143455, 1372146, 2058219, 2286910, 3430365, 4116438, 6860730, 10291095, 20582190]

約数ペア:

[(1, 20582190), (2, 10291095), (3, 6860730), (5, 4116438), (6, 3430365), (9, 2286910), (10, 2058219), (15, 1372146), (18, 1143455), (30, 686073), (45, 457382), (71, 289890), (90, 228691), (142, 144945), (213, 96630), (355, 57978), (426, 48315), (639, 32210), (710, 28989), (1065, 19326), (1278, 16105), (2130, 9663), (3195, 6442), (3221, 6390)]