20294928

素因数分解:

$2^4\times 3^3\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 38629872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 109, 144, 216, 218, 327, 431, 432, 436, 654, 862, 872, 981, 1293, 1308, 1724, 1744, 1962, 2586, 2616, 2943, 3448, 3879, 3924, 5172, 5232, 5886, 6896, 7758, 7848, 10344, 11637, 11772, 15516, 15696, 20688, 23274, 23544, 31032, 46548, 46979, 47088, 62064, 93096, 93958, 140937, 186192, 187916, 281874, 375832, 422811, 563748, 751664, 845622, 1127496, 1268433, 1691244, 2254992, 2536866, 3382488, 5073732, 6764976, 10147464, 20294928]

約数ペア:

[(1, 20294928), (2, 10147464), (3, 6764976), (4, 5073732), (6, 3382488), (8, 2536866), (9, 2254992), (12, 1691244), (16, 1268433), (18, 1127496), (24, 845622), (27, 751664), (36, 563748), (48, 422811), (54, 375832), (72, 281874), (108, 187916), (109, 186192), (144, 140937), (216, 93958), (218, 93096), (327, 62064), (431, 47088), (432, 46979), (436, 46548), (654, 31032), (862, 23544), (872, 23274), (981, 20688), (1293, 15696), (1308, 15516), (1724, 11772), (1744, 11637), (1962, 10344), (2586, 7848), (2616, 7758), (2943, 6896), (3448, 5886), (3879, 5232), (3924, 5172)]