20576880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28579}}^1$

素因数の和:28598

約数の個数: 60

約数和(自身を含む): 69106440

約数和(自身を除く): 48529560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28579, 57158, 85737, 114316, 142895, 171474, 228632, 257211, 285790, 342948, 428685, 457264, 514422, 571580, 685896, 857370, 1028844, 1143160, 1286055, 1371792, 1714740, 2057688, 2286320, 2572110, 3429480, 4115376, 5144220, 6858960, 10288440, 20576880]

約数ペア:

[(1, 20576880), (2, 10288440), (3, 6858960), (4, 5144220), (5, 4115376), (6, 3429480), (8, 2572110), (9, 2286320), (10, 2057688), (12, 1714740), (15, 1371792), (16, 1286055), (18, 1143160), (20, 1028844), (24, 857370), (30, 685896), (36, 571580), (40, 514422), (45, 457264), (48, 428685), (60, 342948), (72, 285790), (80, 257211), (90, 228632), (120, 171474), (144, 142895), (180, 114316), (240, 85737), (360, 57158), (720, 28579)]