20887832

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 48755520

約数和(自身を除く): 27867688

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 37, 56, 68, 74, 119, 136, 148, 238, 259, 296, 476, 518, 593, 629, 952, 1036, 1186, 1258, 2072, 2372, 2516, 4151, 4403, 4744, 5032, 8302, 8806, 10081, 16604, 17612, 20162, 21941, 33208, 35224, 40324, 43882, 70567, 80648, 87764, 141134, 153587, 175528, 282268, 307174, 372997, 564536, 614348, 745994, 1228696, 1491988, 2610979, 2983976, 5221958, 10443916, 20887832]

約数ペア:

[(1, 20887832), (2, 10443916), (4, 5221958), (7, 2983976), (8, 2610979), (14, 1491988), (17, 1228696), (28, 745994), (34, 614348), (37, 564536), (56, 372997), (68, 307174), (74, 282268), (119, 175528), (136, 153587), (148, 141134), (238, 87764), (259, 80648), (296, 70567), (476, 43882), (518, 40324), (593, 35224), (629, 33208), (952, 21941), (1036, 20162), (1186, 17612), (1258, 16604), (2072, 10081), (2372, 8806), (2516, 8302), (4151, 5032), (4403, 4744)]