20793380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 27469660

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 2659, 3910, 5318, 7820, 10636, 13295, 26590, 45203, 53180, 61157, 90406, 122314, 180812, 226015, 244628, 305785, 452030, 611570, 904060, 1039669, 1223140, 2079338, 4158676, 5198345, 10396690, 20793380]

約数ペア:

[(1, 20793380), (2, 10396690), (4, 5198345), (5, 4158676), (10, 2079338), (17, 1223140), (20, 1039669), (23, 904060), (34, 611570), (46, 452030), (68, 305785), (85, 244628), (92, 226015), (115, 180812), (170, 122314), (230, 90406), (340, 61157), (391, 53180), (460, 45203), (782, 26590), (1564, 13295), (1955, 10636), (2659, 7820), (3910, 5318)]