20966190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99839}}^1$

素因数の和:99856

約数の個数: 32

約数和(自身を含む): 57507840

約数和(自身を除く): 36541650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99839, 199678, 299517, 499195, 599034, 698873, 998390, 1397746, 1497585, 2096619, 2995170, 3494365, 4193238, 6988730, 10483095, 20966190]

約数ペア:

[(1, 20966190), (2, 10483095), (3, 6988730), (5, 4193238), (6, 3494365), (7, 2995170), (10, 2096619), (14, 1497585), (15, 1397746), (21, 998390), (30, 698873), (35, 599034), (42, 499195), (70, 299517), (105, 199678), (210, 99839)]