20523944

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 45892980

約数和(自身を除く): 25369036

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 1277, 2009, 2296, 2554, 4018, 5108, 8036, 8939, 10216, 16072, 17878, 35756, 52357, 62573, 71512, 104714, 125146, 209428, 250292, 366499, 418856, 500584, 732998, 1465996, 2565493, 2931992, 5130986, 10261972, 20523944]

約数ペア:

[(1, 20523944), (2, 10261972), (4, 5130986), (7, 2931992), (8, 2565493), (14, 1465996), (28, 732998), (41, 500584), (49, 418856), (56, 366499), (82, 250292), (98, 209428), (164, 125146), (196, 104714), (287, 71512), (328, 62573), (392, 52357), (574, 35756), (1148, 17878), (1277, 16072), (2009, 10216), (2296, 8939), (2554, 8036), (4018, 5108)]