20048535

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 38342304

約数和(自身を除く): 18293769

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 797, 1677, 1935, 2391, 2795, 3985, 5031, 7173, 8385, 10361, 11955, 25155, 31083, 34271, 35865, 51805, 93249, 102813, 155415, 171355, 308439, 445523, 466245, 514065, 1336569, 1542195, 2227615, 4009707, 6682845, 20048535]

約数ペア:

[(1, 20048535), (3, 6682845), (5, 4009707), (9, 2227615), (13, 1542195), (15, 1336569), (39, 514065), (43, 466245), (45, 445523), (65, 308439), (117, 171355), (129, 155415), (195, 102813), (215, 93249), (387, 51805), (559, 35865), (585, 34271), (645, 31083), (797, 25155), (1677, 11955), (1935, 10361), (2391, 8385), (2795, 7173), (3985, 5031)]