20441245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 29122560

約数和(自身を除く): 8681315

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 631, 1045, 1705, 2945, 3155, 6479, 6941, 11989, 19561, 32395, 34705, 59945, 97805, 131879, 215171, 371659, 659395, 1075855, 1858295, 4088249, 20441245]

約数ペア:

[(1, 20441245), (5, 4088249), (11, 1858295), (19, 1075855), (31, 659395), (55, 371659), (95, 215171), (155, 131879), (209, 97805), (341, 59945), (589, 34705), (631, 32395), (1045, 19561), (1705, 11989), (2945, 6941), (3155, 6479)]