20177784

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 60606000

約数和(自身を除く): 40428216

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 73, 88, 99, 132, 146, 198, 219, 264, 292, 349, 396, 438, 584, 657, 698, 792, 803, 876, 1047, 1314, 1396, 1606, 1752, 2094, 2409, 2628, 2792, 3141, 3212, 3839, 4188, 4818, 5256, 6282, 6424, 7227, 7678, 8376, 9636, 11517, 12564, 14454, 15356, 19272, 23034, 25128, 25477, 28908, 30712, 34551, 46068, 50954, 57816, 69102, 76431, 92136, 101908, 138204, 152862, 203816, 229293, 276408, 280247, 305724, 458586, 560494, 611448, 840741, 917172, 1120988, 1681482, 1834344, 2241976, 2522223, 3362964, 5044446, 6725928, 10088892, 20177784]

約数ペア:

[(1, 20177784), (2, 10088892), (3, 6725928), (4, 5044446), (6, 3362964), (8, 2522223), (9, 2241976), (11, 1834344), (12, 1681482), (18, 1120988), (22, 917172), (24, 840741), (33, 611448), (36, 560494), (44, 458586), (66, 305724), (72, 280247), (73, 276408), (88, 229293), (99, 203816), (132, 152862), (146, 138204), (198, 101908), (219, 92136), (264, 76431), (292, 69102), (349, 57816), (396, 50954), (438, 46068), (584, 34551), (657, 30712), (698, 28908), (792, 25477), (803, 25128), (876, 23034), (1047, 19272), (1314, 15356), (1396, 14454), (1606, 12564), (1752, 11517), (2094, 9636), (2409, 8376), (2628, 7678), (2792, 7227), (3141, 6424), (3212, 6282), (3839, 5256), (4188, 4818)]