20576120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30259}}^1$

素因数の和:30287

約数の個数: 32

約数和(自身を含む): 49021200

約数和(自身を除く): 28445080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 30259, 60518, 121036, 151295, 242072, 302590, 514403, 605180, 1028806, 1210360, 2057612, 2572015, 4115224, 5144030, 10288060, 20576120]

約数ペア:

[(1, 20576120), (2, 10288060), (4, 5144030), (5, 4115224), (8, 2572015), (10, 2057612), (17, 1210360), (20, 1028806), (34, 605180), (40, 514403), (68, 302590), (85, 242072), (136, 151295), (170, 121036), (340, 60518), (680, 30259)]