20669091.000000000

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 590198400

約数和(自身を除く): 223931666

約数列:

[1, 2, 17, 34, 149, 197, 298, 367, 394, 734, 2533, 3349, 5066, 6239, 6698, 12478, 29353, 54683, 58706, 72299, 109366, 144598, 499001, 929611, 998002, 1229083, 1859222, 2458166, 10772551, 21545102, 183133367, 366266734]

約数ペア:

[(1, 366266734), (2, 183133367), (17, 21545102), (34, 10772551), (149, 2458166), (197, 1859222), (298, 1229083), (367, 998002), (394, 929611), (734, 499001), (2533, 144598), (3349, 109366), (5066, 72299), (6239, 58706), (6698, 54683), (12478, 29353)]