20173357580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{570191}}^1$

素因数の和:570290

約数の個数: 48

約数和(自身を含む): 44543399040

約数和(自身を除く): 24370041460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 35380, 570191, 1140382, 2280764, 2850955, 5701910, 11403820, 16535539, 33071078, 34781651, 66142156, 69563302, 82677695, 139126604, 165355390, 173908255, 330710780, 347816510, 695633020, 1008667879, 2017335758, 4034671516, 5043339395, 10086678790, 20173357580]

約数ペア:

[(1, 20173357580), (2, 10086678790), (4, 5043339395), (5, 4034671516), (10, 2017335758), (20, 1008667879), (29, 695633020), (58, 347816510), (61, 330710780), (116, 173908255), (122, 165355390), (145, 139126604), (244, 82677695), (290, 69563302), (305, 66142156), (580, 34781651), (610, 33071078), (1220, 16535539), (1769, 11403820), (3538, 5701910), (7076, 2850955), (8845, 2280764), (17690, 1140382), (35380, 570191)]