20839984144

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3510779}}^1$

素因数の和:3510847

約数の個数: 40

約数和(自身を含む): 47016365760

約数和(自身を除く): 26176381616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 3510779, 7021558, 14043116, 24575453, 28086232, 49150906, 56172464, 98301812, 186071287, 196603624, 372142574, 393207248, 744285148, 1302499009, 1488570296, 2604998018, 2977140592, 5209996036, 10419992072, 20839984144]

約数ペア:

[(1, 20839984144), (2, 10419992072), (4, 5209996036), (7, 2977140592), (8, 2604998018), (14, 1488570296), (16, 1302499009), (28, 744285148), (53, 393207248), (56, 372142574), (106, 196603624), (112, 186071287), (212, 98301812), (371, 56172464), (424, 49150906), (742, 28086232), (848, 24575453), (1484, 14043116), (2968, 7021558), (5936, 3510779)]