20123951211

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24571369}}^1$

素因数の和:24571395

約数の個数: 24

約数和(自身を含む): 35775914720

約数和(自身を除く): 15651963509

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24571369, 73714107, 171999583, 221142321, 319427797, 515998749, 958283391, 1547996247, 2235994579, 2874850173, 6707983737, 20123951211]

約数ペア:

[(1, 20123951211), (3, 6707983737), (7, 2874850173), (9, 2235994579), (13, 1547996247), (21, 958283391), (39, 515998749), (63, 319427797), (91, 221142321), (117, 171999583), (273, 73714107), (819, 24571369)]