20293592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 44098560

約数和(自身を除く): 23804968

約数列:

[1, 2, 4, 8, 11, 22, 31, 43, 44, 62, 86, 88, 124, 172, 173, 248, 341, 344, 346, 473, 682, 692, 946, 1333, 1364, 1384, 1892, 1903, 2666, 2728, 3784, 3806, 5332, 5363, 7439, 7612, 10664, 10726, 14663, 14878, 15224, 21452, 29326, 29756, 42904, 58652, 58993, 59512, 81829, 117304, 117986, 163658, 230609, 235972, 327316, 461218, 471944, 654632, 922436, 1844872, 2536699, 5073398, 10146796, 20293592]

約数ペア:

[(1, 20293592), (2, 10146796), (4, 5073398), (8, 2536699), (11, 1844872), (22, 922436), (31, 654632), (43, 471944), (44, 461218), (62, 327316), (86, 235972), (88, 230609), (124, 163658), (172, 117986), (173, 117304), (248, 81829), (341, 59512), (344, 58993), (346, 58652), (473, 42904), (682, 29756), (692, 29326), (946, 21452), (1333, 15224), (1364, 14878), (1384, 14663), (1892, 10726), (1903, 10664), (2666, 7612), (2728, 7439), (3784, 5363), (3806, 5332)]