20500232

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 40914720

約数和(自身を除く): 20414488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 307, 491, 614, 982, 1228, 1964, 2456, 3928, 5219, 8347, 10438, 16694, 20876, 33388, 41752, 66776, 150737, 301474, 602948, 1205896, 2562529, 5125058, 10250116, 20500232]

約数ペア:

[(1, 20500232), (2, 10250116), (4, 5125058), (8, 2562529), (17, 1205896), (34, 602948), (68, 301474), (136, 150737), (307, 66776), (491, 41752), (614, 33388), (982, 20876), (1228, 16694), (1964, 10438), (2456, 8347), (3928, 5219)]