20184877461

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{445199}}^1$

素因数の和:445353

約数の個数: 32

約数和(自身を含む): 32823705600

約数和(自身を除く): 12638828139

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 381, 889, 2159, 2667, 6477, 15113, 45339, 445199, 1335597, 3116393, 7568383, 9349179, 22705149, 52978681, 56540273, 158936043, 169620819, 395781911, 961184641, 1187345733, 2883553923, 6728292487, 20184877461]

約数ペア:

[(1, 20184877461), (3, 6728292487), (7, 2883553923), (17, 1187345733), (21, 961184641), (51, 395781911), (119, 169620819), (127, 158936043), (357, 56540273), (381, 52978681), (889, 22705149), (2159, 9349179), (2667, 7568383), (6477, 3116393), (15113, 1335597), (45339, 445199)]