20041640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29473}}^1$

素因数の和:29501

約数の個数: 32

約数和(自身を含む): 47747880

約数和(自身を除く): 27706240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29473, 58946, 117892, 147365, 235784, 294730, 501041, 589460, 1002082, 1178920, 2004164, 2505205, 4008328, 5010410, 10020820, 20041640]

約数ペア:

[(1, 20041640), (2, 10020820), (4, 5010410), (5, 4008328), (8, 2505205), (10, 2004164), (17, 1178920), (20, 1002082), (34, 589460), (40, 501041), (68, 294730), (85, 235784), (136, 147365), (170, 117892), (340, 58946), (680, 29473)]