20199494384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74262847}}^1$

素因数の和:74262872

約数の個数: 20

約数和(自身を含む): 41438669184

約数和(自身を除く): 21239174800

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74262847, 148525694, 297051388, 594102776, 1188205552, 1262468399, 2524936798, 5049873596, 10099747192, 20199494384]

約数ペア:

[(1, 20199494384), (2, 10099747192), (4, 5049873596), (8, 2524936798), (16, 1262468399), (17, 1188205552), (34, 594102776), (68, 297051388), (136, 148525694), (272, 74262847)]