20613040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36809}}^1$

素因数の和:36829

約数の個数: 40

約数和(自身を含む): 54773280

約数和(自身を除く): 34160240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36809, 73618, 147236, 184045, 257663, 294472, 368090, 515326, 588944, 736180, 1030652, 1288315, 1472360, 2061304, 2576630, 2944720, 4122608, 5153260, 10306520, 20613040]

約数ペア:

[(1, 20613040), (2, 10306520), (4, 5153260), (5, 4122608), (7, 2944720), (8, 2576630), (10, 2061304), (14, 1472360), (16, 1288315), (20, 1030652), (28, 736180), (35, 588944), (40, 515326), (56, 368090), (70, 294472), (80, 257663), (112, 184045), (140, 147236), (280, 73618), (560, 36809)]