20196323

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 26210304

約数和(自身を除く): 6013981

約数列:

[1, 7, 17, 23, 47, 119, 157, 161, 329, 391, 799, 1081, 1099, 2669, 2737, 3611, 5593, 7379, 7567, 18377, 18683, 25277, 51653, 61387, 125443, 128639, 169717, 429709, 878101, 1188019, 2885189, 20196323]

約数ペア:

[(1, 20196323), (7, 2885189), (17, 1188019), (23, 878101), (47, 429709), (119, 169717), (157, 128639), (161, 125443), (329, 61387), (391, 51653), (799, 25277), (1081, 18683), (1099, 18377), (2669, 7567), (2737, 7379), (3611, 5593)]