20201103475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3980513}}^1$

素因数の和:3980559

約数の個数: 24

約数和(自身を含む): 29615024160

約数和(自身を除く): 9413920685

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 5075, 3980513, 19902565, 27863591, 99512825, 115434877, 139317955, 577174385, 696589775, 808044139, 2885871925, 4040220695, 20201103475]

約数ペア:

[(1, 20201103475), (5, 4040220695), (7, 2885871925), (25, 808044139), (29, 696589775), (35, 577174385), (145, 139317955), (175, 115434877), (203, 99512825), (725, 27863591), (1015, 19902565), (5075, 3980513)]