20162380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 28866740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1823, 2212, 2765, 3646, 5530, 7292, 9115, 11060, 12761, 18230, 25522, 36460, 51044, 63805, 127610, 144017, 255220, 288034, 576068, 720085, 1008119, 1440170, 2016238, 2880340, 4032476, 5040595, 10081190, 20162380]

約数ペア:

[(1, 20162380), (2, 10081190), (4, 5040595), (5, 4032476), (7, 2880340), (10, 2016238), (14, 1440170), (20, 1008119), (28, 720085), (35, 576068), (70, 288034), (79, 255220), (140, 144017), (158, 127610), (316, 63805), (395, 51044), (553, 36460), (790, 25522), (1106, 18230), (1580, 12761), (1823, 11060), (2212, 9115), (2765, 7292), (3646, 5530)]