20545380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38047}}^1$

素因数の和:38065

約数の個数: 48

約数和(自身を含む): 63920640

約数和(自身を除く): 43375260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38047, 76094, 114141, 152188, 190235, 228282, 342423, 380470, 456564, 570705, 684846, 760940, 1027269, 1141410, 1369692, 1712115, 2054538, 2282820, 3424230, 4109076, 5136345, 6848460, 10272690, 20545380]

約数ペア:

[(1, 20545380), (2, 10272690), (3, 6848460), (4, 5136345), (5, 4109076), (6, 3424230), (9, 2282820), (10, 2054538), (12, 1712115), (15, 1369692), (18, 1141410), (20, 1027269), (27, 760940), (30, 684846), (36, 570705), (45, 456564), (54, 380470), (60, 342423), (90, 228282), (108, 190235), (135, 152188), (180, 114141), (270, 76094), (540, 38047)]