20071135

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 30533760

約数和(自身を除く): 10462625

約数列:

[1, 5, 7, 17, 35, 49, 61, 79, 85, 119, 245, 305, 395, 427, 553, 595, 833, 1037, 1343, 2135, 2765, 2989, 3871, 4165, 4819, 5185, 6715, 7259, 9401, 14945, 19355, 24095, 33733, 36295, 47005, 50813, 65807, 81923, 168665, 236131, 254065, 329035, 409615, 573461, 1180655, 2867305, 4014227, 20071135]

約数ペア:

[(1, 20071135), (5, 4014227), (7, 2867305), (17, 1180655), (35, 573461), (49, 409615), (61, 329035), (79, 254065), (85, 236131), (119, 168665), (245, 81923), (305, 65807), (395, 50813), (427, 47005), (553, 36295), (595, 33733), (833, 24095), (1037, 19355), (1343, 14945), (2135, 9401), (2765, 7259), (2989, 6715), (3871, 5185), (4165, 4819)]