20481480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56893}}^1$

素因数の和:56910

約数の個数: 48

約数和(自身を含む): 66565980

約数和(自身を除く): 46084500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56893, 113786, 170679, 227572, 284465, 341358, 455144, 512037, 568930, 682716, 853395, 1024074, 1137860, 1365432, 1706790, 2048148, 2275720, 2560185, 3413580, 4096296, 5120370, 6827160, 10240740, 20481480]

約数ペア:

[(1, 20481480), (2, 10240740), (3, 6827160), (4, 5120370), (5, 4096296), (6, 3413580), (8, 2560185), (9, 2275720), (10, 2048148), (12, 1706790), (15, 1365432), (18, 1137860), (20, 1024074), (24, 853395), (30, 682716), (36, 568930), (40, 512037), (45, 455144), (60, 341358), (72, 284465), (90, 227572), (120, 170679), (180, 113786), (360, 56893)]