20093255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 30919680

約数和(自身を除く): 10826425

約数列:

[1, 5, 7, 13, 35, 43, 65, 79, 91, 169, 215, 301, 395, 455, 553, 559, 845, 1027, 1183, 1505, 2765, 2795, 3397, 3913, 5135, 5915, 7189, 7267, 13351, 16985, 19565, 23779, 35945, 36335, 44161, 50869, 66755, 93457, 118895, 220805, 254345, 309127, 467285, 574093, 1545635, 2870465, 4018651, 20093255]

約数ペア:

[(1, 20093255), (5, 4018651), (7, 2870465), (13, 1545635), (35, 574093), (43, 467285), (65, 309127), (79, 254345), (91, 220805), (169, 118895), (215, 93457), (301, 66755), (395, 50869), (455, 44161), (553, 36335), (559, 35945), (845, 23779), (1027, 19565), (1183, 16985), (1505, 13351), (2765, 7267), (2795, 7189), (3397, 5915), (3913, 5135)]