20007152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 46187520

約数和(自身を除く): 26180368

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 193, 209, 248, 304, 341, 386, 418, 496, 589, 682, 772, 836, 1178, 1364, 1544, 1672, 2123, 2356, 2728, 3088, 3344, 3667, 4246, 4712, 5456, 5983, 6479, 7334, 8492, 9424, 11966, 12958, 14668, 16984, 23932, 25916, 29336, 33968, 40337, 47864, 51832, 58672, 65813, 80674, 95728, 103664, 113677, 131626, 161348, 227354, 263252, 322696, 454708, 526504, 645392, 909416, 1053008, 1250447, 1818832, 2500894, 5001788, 10003576, 20007152]

約数ペア:

[(1, 20007152), (2, 10003576), (4, 5001788), (8, 2500894), (11, 1818832), (16, 1250447), (19, 1053008), (22, 909416), (31, 645392), (38, 526504), (44, 454708), (62, 322696), (76, 263252), (88, 227354), (124, 161348), (152, 131626), (176, 113677), (193, 103664), (209, 95728), (248, 80674), (304, 65813), (341, 58672), (386, 51832), (418, 47864), (496, 40337), (589, 33968), (682, 29336), (772, 25916), (836, 23932), (1178, 16984), (1364, 14668), (1544, 12958), (1672, 11966), (2123, 9424), (2356, 8492), (2728, 7334), (3088, 6479), (3344, 5983), (3667, 5456), (4246, 4712)]