20649291243

素因数分解:

$3^1\times 7^2\times {\mathrm{1481}}^1\times {\mathrm{94849}}^1$

素因数の和:96347

約数の個数: 24

約数和(自身を含む): 32049435600

約数和(自身を除く): 11400144357

約数列:

[1, 3, 7, 21, 49, 147, 1481, 4443, 10367, 31101, 72569, 94849, 217707, 284547, 663943, 1991829, 4647601, 13942803, 140471369, 421414107, 983299583, 2949898749, 6883097081, 20649291243]

約数ペア:

[(1, 20649291243), (3, 6883097081), (7, 2949898749), (21, 983299583), (49, 421414107), (147, 140471369), (1481, 13942803), (4443, 4647601), (10367, 1991829), (31101, 663943), (72569, 284547), (94849, 217707)]