20805114

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 48936960

約数和(自身を除く): 28131846

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 47, 57, 66, 94, 114, 141, 209, 282, 353, 418, 517, 627, 706, 893, 1034, 1059, 1254, 1551, 1786, 2118, 2679, 3102, 3883, 5358, 6707, 7766, 9823, 11649, 13414, 16591, 19646, 20121, 23298, 29469, 33182, 40242, 49773, 58938, 73777, 99546, 147554, 182501, 221331, 315229, 365002, 442662, 547503, 630458, 945687, 1095006, 1891374, 3467519, 6935038, 10402557, 20805114]

約数ペア:

[(1, 20805114), (2, 10402557), (3, 6935038), (6, 3467519), (11, 1891374), (19, 1095006), (22, 945687), (33, 630458), (38, 547503), (47, 442662), (57, 365002), (66, 315229), (94, 221331), (114, 182501), (141, 147554), (209, 99546), (282, 73777), (353, 58938), (418, 49773), (517, 40242), (627, 33182), (706, 29469), (893, 23298), (1034, 20121), (1059, 19646), (1254, 16591), (1551, 13414), (1786, 11649), (2118, 9823), (2679, 7766), (3102, 6707), (3883, 5358)]