20009906413

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{90127}}^1$

素因数の和:90361

約数の個数: 24

約数和(自身を含む): 24412430592

約数和(自身を除く): 4402524179

約数列:

[1, 7, 23, 49, 161, 197, 1127, 1379, 4531, 9653, 31717, 90127, 222019, 630889, 2072921, 4416223, 14510447, 17755019, 101573129, 124285133, 408365437, 869995931, 2858558059, 20009906413]

約数ペア:

[(1, 20009906413), (7, 2858558059), (23, 869995931), (49, 408365437), (161, 124285133), (197, 101573129), (1127, 17755019), (1379, 14510447), (4531, 4416223), (9653, 2072921), (31717, 630889), (90127, 222019)]