20179945390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{194543}}^1$

素因数の和:194625

約数の個数: 64

約数和(自身を含む): 42357676032

約数和(自身を除く): 22177730642

約数列:

[1, 2, 5, 10, 11, 22, 23, 41, 46, 55, 82, 110, 115, 205, 230, 253, 410, 451, 506, 902, 943, 1265, 1886, 2255, 2530, 4510, 4715, 9430, 10373, 20746, 51865, 103730, 194543, 389086, 972715, 1945430, 2139973, 4279946, 4474489, 7976263, 8948978, 10699865, 15952526, 21399730, 22372445, 39881315, 44744890, 49219379, 79762630, 87738893, 98438758, 175477786, 183454049, 246096895, 366908098, 438694465, 492193790, 877388930, 917270245, 1834540490, 2017994539, 4035989078, 10089972695, 20179945390]

約数ペア:

[(1, 20179945390), (2, 10089972695), (5, 4035989078), (10, 2017994539), (11, 1834540490), (22, 917270245), (23, 877388930), (41, 492193790), (46, 438694465), (55, 366908098), (82, 246096895), (110, 183454049), (115, 175477786), (205, 98438758), (230, 87738893), (253, 79762630), (410, 49219379), (451, 44744890), (506, 39881315), (902, 22372445), (943, 21399730), (1265, 15952526), (1886, 10699865), (2255, 8948978), (2530, 7976263), (4510, 4474489), (4715, 4279946), (9430, 2139973), (10373, 1945430), (20746, 972715), (51865, 389086), (103730, 194543)]