206921167340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11821}}^1\times {\mathrm{21347}}^1$

素因数の和:33218

約数の個数: 48

約数和(自身を含む): 445191362784

約数和(自身を除く): 238270195444

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 11821, 21347, 23642, 42694, 47284, 59105, 85388, 106735, 118210, 213470, 236420, 426940, 484661, 875227, 969322, 1750454, 1938644, 2423305, 3500908, 4376135, 4846610, 8752270, 9693220, 17504540, 252342887, 504685774, 1009371548, 1261714435, 2523428870, 5046857740, 10346058367, 20692116734, 41384233468, 51730291835, 103460583670, 206921167340]

約数ペア:

[(1, 206921167340), (2, 103460583670), (4, 51730291835), (5, 41384233468), (10, 20692116734), (20, 10346058367), (41, 5046857740), (82, 2523428870), (164, 1261714435), (205, 1009371548), (410, 504685774), (820, 252342887), (11821, 17504540), (21347, 9693220), (23642, 8752270), (42694, 4846610), (47284, 4376135), (59105, 3500908), (85388, 2423305), (106735, 1938644), (118210, 1750454), (213470, 969322), (236420, 875227), (426940, 484661)]