20770736

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10909}}^1$

素因数の和:10941

約数の個数: 40

約数和(自身を含む): 48702240

約数和(自身を除く): 27931504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10909, 21818, 43636, 76363, 87272, 152726, 174544, 185453, 305452, 370906, 610904, 741812, 1221808, 1298171, 1483624, 2596342, 2967248, 5192684, 10385368, 20770736]

約数ペア:

[(1, 20770736), (2, 10385368), (4, 5192684), (7, 2967248), (8, 2596342), (14, 1483624), (16, 1298171), (17, 1221808), (28, 741812), (34, 610904), (56, 370906), (68, 305452), (112, 185453), (119, 174544), (136, 152726), (238, 87272), (272, 76363), (476, 43636), (952, 21818), (1904, 10909)]