20782272

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{47}}^2$

素因数の和:123

約数の個数: 126

約数和(自身を含む): 65353692

約数和(自身を除く): 44571420

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 49, 56, 64, 84, 94, 96, 98, 112, 141, 147, 168, 188, 192, 196, 224, 282, 294, 329, 336, 376, 392, 448, 564, 588, 658, 672, 752, 784, 987, 1128, 1176, 1316, 1344, 1504, 1568, 1974, 2209, 2256, 2303, 2352, 2632, 3008, 3136, 3948, 4418, 4512, 4606, 4704, 5264, 6627, 6909, 7896, 8836, 9024, 9212, 9408, 10528, 13254, 13818, 15463, 15792, 17672, 18424, 21056, 26508, 27636, 30926, 31584, 35344, 36848, 46389, 53016, 55272, 61852, 63168, 70688, 73696, 92778, 106032, 108241, 110544, 123704, 141376, 147392, 185556, 212064, 216482, 221088, 247408, 324723, 371112, 424128, 432964, 442176, 494816, 649446, 742224, 865928, 989632, 1298892, 1484448, 1731856, 2597784, 2968896, 3463712, 5195568, 6927424, 10391136, 20782272]

約数ペア:

[(1, 20782272), (2, 10391136), (3, 6927424), (4, 5195568), (6, 3463712), (7, 2968896), (8, 2597784), (12, 1731856), (14, 1484448), (16, 1298892), (21, 989632), (24, 865928), (28, 742224), (32, 649446), (42, 494816), (47, 442176), (48, 432964), (49, 424128), (56, 371112), (64, 324723), (84, 247408), (94, 221088), (96, 216482), (98, 212064), (112, 185556), (141, 147392), (147, 141376), (168, 123704), (188, 110544), (192, 108241), (196, 106032), (224, 92778), (282, 73696), (294, 70688), (329, 63168), (336, 61852), (376, 55272), (392, 53016), (448, 46389), (564, 36848), (588, 35344), (658, 31584), (672, 30926), (752, 27636), (784, 26508), (987, 21056), (1128, 18424), (1176, 17672), (1316, 15792), (1344, 15463), (1504, 13818), (1568, 13254), (1974, 10528), (2209, 9408), (2256, 9212), (2303, 9024), (2352, 8836), (2632, 7896), (3008, 6909), (3136, 6627), (3948, 5264), (4418, 4704), (4512, 4606)]