20177209402

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{704069}}^1$

素因数の和:704190

約数の個数: 32

約数和(自身を含む): 36498988800

約数和(自身を除く): 16321779398

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 1246, 2047, 4094, 14329, 28658, 704069, 1408138, 4928483, 9856966, 16193587, 32387174, 62662141, 113355109, 125324282, 226710218, 438634987, 877269974, 1441229243, 2882458486, 10088604701, 20177209402]

約数ペア:

[(1, 20177209402), (2, 10088604701), (7, 2882458486), (14, 1441229243), (23, 877269974), (46, 438634987), (89, 226710218), (161, 125324282), (178, 113355109), (322, 62662141), (623, 32387174), (1246, 16193587), (2047, 9856966), (4094, 4928483), (14329, 1408138), (28658, 704069)]