20162209535

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{59}}^1\times {\mathrm{2393}}^1$

素因数の和:2509

約数の個数: 40

約数和(自身を含む): 26666191440

約数和(自身を除く): 6503981905

約数列:

[1, 5, 13, 59, 65, 169, 295, 767, 845, 2197, 2393, 3835, 9971, 10985, 11965, 28561, 31109, 49855, 129623, 141187, 142805, 155545, 404417, 648115, 705935, 1685099, 1835431, 2022085, 5257421, 8425495, 9177155, 23860603, 26287105, 68346473, 119303015, 310187839, 341732365, 1550939195, 4032441907, 20162209535]

約数ペア:

[(1, 20162209535), (5, 4032441907), (13, 1550939195), (59, 341732365), (65, 310187839), (169, 119303015), (295, 68346473), (767, 26287105), (845, 23860603), (2197, 9177155), (2393, 8425495), (3835, 5257421), (9971, 2022085), (10985, 1835431), (11965, 1685099), (28561, 705935), (31109, 648115), (49855, 404417), (129623, 155545), (141187, 142805)]