20769360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86539}}^1$

素因数の和:86555

約数の個数: 40

約数和(自身を含む): 64385760

約数和(自身を除く): 43616400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86539, 173078, 259617, 346156, 432695, 519234, 692312, 865390, 1038468, 1298085, 1384624, 1730780, 2076936, 2596170, 3461560, 4153872, 5192340, 6923120, 10384680, 20769360]

約数ペア:

[(1, 20769360), (2, 10384680), (3, 6923120), (4, 5192340), (5, 4153872), (6, 3461560), (8, 2596170), (10, 2076936), (12, 1730780), (15, 1384624), (16, 1298085), (20, 1038468), (24, 865390), (30, 692312), (40, 519234), (48, 432695), (60, 346156), (80, 259617), (120, 173078), (240, 86539)]