20415696831

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 32344799760

約数和(自身を除く): 11929102929

約数列:

[1, 3, 9, 17, 51, 53, 67, 153, 159, 201, 477, 603, 709, 901, 1139, 2127, 2703, 2809, 3417, 3551, 6381, 8109, 8427, 10251, 10653, 12053, 25281, 31959, 36159, 37577, 47503, 47753, 60367, 108477, 112731, 142509, 143259, 181101, 188203, 338193, 427527, 429777, 543303, 564609, 638809, 807551, 1693827, 1916427, 1991581, 2422653, 2517659, 3199451, 5749281, 5974743, 7267959, 7552977, 9598353, 17924229, 22658931, 28795059, 33856877, 42800203, 101570631, 128400609, 133435927, 304711893, 385201827, 400307781, 1200923343, 2268410759, 6805232277, 20415696831]

約数ペア:

[(1, 20415696831), (3, 6805232277), (9, 2268410759), (17, 1200923343), (51, 400307781), (53, 385201827), (67, 304711893), (153, 133435927), (159, 128400609), (201, 101570631), (477, 42800203), (603, 33856877), (709, 28795059), (901, 22658931), (1139, 17924229), (2127, 9598353), (2703, 7552977), (2809, 7267959), (3417, 5974743), (3551, 5749281), (6381, 3199451), (8109, 2517659), (8427, 2422653), (10251, 1991581), (10653, 1916427), (12053, 1693827), (25281, 807551), (31959, 638809), (36159, 564609), (37577, 543303), (47503, 429777), (47753, 427527), (60367, 338193), (108477, 188203), (112731, 181101), (142509, 143259)]