20574890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1699}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 22020310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1699, 1730, 2422, 3398, 6055, 8495, 11893, 12110, 16990, 23786, 59465, 118930, 293927, 587854, 1469635, 2057489, 2939270, 4114978, 10287445, 20574890]

約数ペア:

[(1, 20574890), (2, 10287445), (5, 4114978), (7, 2939270), (10, 2057489), (14, 1469635), (35, 587854), (70, 293927), (173, 118930), (346, 59465), (865, 23786), (1211, 16990), (1699, 12110), (1730, 11893), (2422, 8495), (3398, 6055)]