20409166940

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1033}}^1\times {\mathrm{4099}}^1$

素因数の和:5382

約数の個数: 48

約数和(自身を含む): 43089261600

約数和(自身を除く): 22680094660

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1033, 1205, 2066, 2410, 4099, 4132, 4820, 5165, 8198, 10330, 16396, 20495, 20660, 40990, 81980, 248953, 497906, 987859, 995812, 1244765, 1975718, 2489530, 3951436, 4234267, 4939295, 4979060, 8468534, 9878590, 16937068, 19757180, 21171335, 42342670, 84685340, 1020458347, 2040916694, 4081833388, 5102291735, 10204583470, 20409166940]

約数ペア:

[(1, 20409166940), (2, 10204583470), (4, 5102291735), (5, 4081833388), (10, 2040916694), (20, 1020458347), (241, 84685340), (482, 42342670), (964, 21171335), (1033, 19757180), (1205, 16937068), (2066, 9878590), (2410, 8468534), (4099, 4979060), (4132, 4939295), (4820, 4234267), (5165, 3951436), (8198, 2489530), (10330, 1975718), (16396, 1244765), (20495, 995812), (20660, 987859), (40990, 497906), (81980, 248953)]