20175243039

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{17117}}^1$

素因数の和:17536

約数の個数: 48

約数和(自身を含む): 34031679552

約数和(自身を除く): 13856436513

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 353, 371, 477, 1059, 1113, 2471, 3177, 3339, 7413, 17117, 18709, 22239, 51351, 56127, 119819, 130963, 154053, 168381, 359457, 392889, 907201, 1078371, 1178667, 2721603, 6042301, 6350407, 8164809, 18126903, 19051221, 42296107, 54380709, 57153663, 126888321, 320241953, 380664963, 960725859, 2241693671, 2882177577, 6725081013, 20175243039]

約数ペア:

[(1, 20175243039), (3, 6725081013), (7, 2882177577), (9, 2241693671), (21, 960725859), (53, 380664963), (63, 320241953), (159, 126888321), (353, 57153663), (371, 54380709), (477, 42296107), (1059, 19051221), (1113, 18126903), (2471, 8164809), (3177, 6350407), (3339, 6042301), (7413, 2721603), (17117, 1178667), (18709, 1078371), (22239, 907201), (51351, 392889), (56127, 359457), (119819, 168381), (130963, 154053)]