20016786

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 44945280

約数和(自身を除く): 24928494

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 67, 87, 101, 102, 134, 174, 201, 202, 303, 402, 493, 606, 986, 1139, 1479, 1717, 1943, 2278, 2929, 2958, 3417, 3434, 3886, 5151, 5829, 5858, 6767, 6834, 8787, 10302, 11658, 13534, 17574, 20301, 33031, 40602, 49793, 66062, 99093, 99586, 115039, 149379, 196243, 198186, 230078, 298758, 345117, 392486, 588729, 690234, 1177458, 3336131, 6672262, 10008393, 20016786]

約数ペア:

[(1, 20016786), (2, 10008393), (3, 6672262), (6, 3336131), (17, 1177458), (29, 690234), (34, 588729), (51, 392486), (58, 345117), (67, 298758), (87, 230078), (101, 198186), (102, 196243), (134, 149379), (174, 115039), (201, 99586), (202, 99093), (303, 66062), (402, 49793), (493, 40602), (606, 33031), (986, 20301), (1139, 17574), (1479, 13534), (1717, 11658), (1943, 10302), (2278, 8787), (2929, 6834), (2958, 6767), (3417, 5858), (3434, 5829), (3886, 5151)]