20137278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4243}}^1$

素因数の和:4368

約数の個数: 32

約数和(自身を含む): 46446336

約数和(自身を除く): 26309058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 113, 226, 339, 678, 791, 1582, 2373, 4243, 4746, 8486, 12729, 25458, 29701, 59402, 89103, 178206, 479459, 958918, 1438377, 2876754, 3356213, 6712426, 10068639, 20137278]

約数ペア:

[(1, 20137278), (2, 10068639), (3, 6712426), (6, 3356213), (7, 2876754), (14, 1438377), (21, 958918), (42, 479459), (113, 178206), (226, 89103), (339, 59402), (678, 29701), (791, 25458), (1582, 12729), (2373, 8486), (4243, 4746)]