20403880068

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1080943}}^1$

素因数の和:1080985

約数の個数: 72

約数和(自身を含む): 56356096384

約数和(自身を除く): 35952216316

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 1452, 1573, 1716, 3146, 4719, 6292, 9438, 18876, 1080943, 2161886, 3242829, 4323772, 6485658, 11890373, 12971316, 14052259, 23780746, 28104518, 35671119, 42156777, 47561492, 56209036, 71342238, 84313554, 130794103, 142684476, 154574849, 168627108, 261588206, 309149698, 392382309, 463724547, 523176412, 618299396, 784764618, 927449094, 1569529236, 1700323339, 1854898188, 3400646678, 5100970017, 6801293356, 10201940034, 20403880068]

約数ペア:

[(1, 20403880068), (2, 10201940034), (3, 6801293356), (4, 5100970017), (6, 3400646678), (11, 1854898188), (12, 1700323339), (13, 1569529236), (22, 927449094), (26, 784764618), (33, 618299396), (39, 523176412), (44, 463724547), (52, 392382309), (66, 309149698), (78, 261588206), (121, 168627108), (132, 154574849), (143, 142684476), (156, 130794103), (242, 84313554), (286, 71342238), (363, 56209036), (429, 47561492), (484, 42156777), (572, 35671119), (726, 28104518), (858, 23780746), (1452, 14052259), (1573, 12971316), (1716, 11890373), (3146, 6485658), (4719, 4323772), (6292, 3242829), (9438, 2161886), (18876, 1080943)]