20003516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 36

約数和(自身を含む): 38368512

約数和(自身を除く): 18364996

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 233, 254, 338, 466, 508, 676, 932, 1651, 3029, 3302, 6058, 6604, 12116, 21463, 29591, 39377, 42926, 59182, 78754, 85852, 118364, 157508, 384683, 769366, 1538732, 5000879, 10001758, 20003516]

約数ペア:

[(1, 20003516), (2, 10001758), (4, 5000879), (13, 1538732), (26, 769366), (52, 384683), (127, 157508), (169, 118364), (233, 85852), (254, 78754), (338, 59182), (466, 42926), (508, 39377), (676, 29591), (932, 21463), (1651, 12116), (3029, 6604), (3302, 6058)]