20804535765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1226321}}^1$

素因数の和:1226374

約数の個数: 48

約数和(自身を含む): 40174308720

約数和(自身を除く): 19369772955

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 585, 1131, 1305, 1885, 3393, 5655, 16965, 1226321, 3678963, 6131605, 11036889, 15942173, 18394815, 35563309, 47826519, 55184445, 79710865, 106689927, 143479557, 177816545, 239132595, 320069781, 462323017, 533449635, 717397785, 1386969051, 1600348905, 2311615085, 4160907153, 6934845255, 20804535765]

約数ペア:

[(1, 20804535765), (3, 6934845255), (5, 4160907153), (9, 2311615085), (13, 1600348905), (15, 1386969051), (29, 717397785), (39, 533449635), (45, 462323017), (65, 320069781), (87, 239132595), (117, 177816545), (145, 143479557), (195, 106689927), (261, 79710865), (377, 55184445), (435, 47826519), (585, 35563309), (1131, 18394815), (1305, 15942173), (1885, 11036889), (3393, 6131605), (5655, 3678963), (16965, 1226321)]