20661704

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8999}}^1$

素因数の和:9053

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 24698296

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8999, 17998, 35996, 62993, 71992, 125986, 251972, 368959, 503944, 737918, 1475836, 2582713, 2951672, 5165426, 10330852, 20661704]

約数ペア:

[(1, 20661704), (2, 10330852), (4, 5165426), (7, 2951672), (8, 2582713), (14, 1475836), (28, 737918), (41, 503944), (56, 368959), (82, 251972), (164, 125986), (287, 71992), (328, 62993), (574, 35996), (1148, 17998), (2296, 8999)]