20160938497

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 23488962560

約数和(自身を除く): 3328024063

約数列:

[1, 7, 139, 157, 271, 487, 973, 1099, 1897, 3409, 21823, 37669, 42547, 67693, 76459, 131977, 152761, 263683, 297829, 473851, 535213, 923839, 5914033, 10627801, 18344803, 20720389, 41398231, 74394607, 128413621, 145042723, 2880134071, 20160938497]

約数ペア:

[(1, 20160938497), (7, 2880134071), (139, 145042723), (157, 128413621), (271, 74394607), (487, 41398231), (973, 20720389), (1099, 18344803), (1897, 10627801), (3409, 5914033), (21823, 923839), (37669, 535213), (42547, 473851), (67693, 297829), (76459, 263683), (131977, 152761)]