20735176

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 49714560

約数和(自身を除く): 28979384

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 821, 902, 1148, 1642, 1804, 2296, 3157, 3284, 3608, 5747, 6314, 6568, 9031, 11494, 12628, 18062, 22988, 25256, 33661, 36124, 45976, 63217, 67322, 72248, 126434, 134644, 235627, 252868, 269288, 370271, 471254, 505736, 740542, 942508, 1481084, 1885016, 2591897, 2962168, 5183794, 10367588, 20735176]

約数ペア:

[(1, 20735176), (2, 10367588), (4, 5183794), (7, 2962168), (8, 2591897), (11, 1885016), (14, 1481084), (22, 942508), (28, 740542), (41, 505736), (44, 471254), (56, 370271), (77, 269288), (82, 252868), (88, 235627), (154, 134644), (164, 126434), (287, 72248), (308, 67322), (328, 63217), (451, 45976), (574, 36124), (616, 33661), (821, 25256), (902, 22988), (1148, 18062), (1642, 12628), (1804, 11494), (2296, 9031), (3157, 6568), (3284, 6314), (3608, 5747)]