20478528

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{1693}}^1$

素因数の和:1721

約数の個数: 112

約数和(自身を含む): 68844160

約数和(自身を除く): 48365632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1693, 1728, 2016, 3024, 3386, 4032, 5079, 6048, 6772, 10158, 11851, 12096, 13544, 15237, 20316, 23702, 27088, 30474, 35553, 40632, 45711, 47404, 54176, 60948, 71106, 81264, 91422, 94808, 106659, 108352, 121896, 142212, 162528, 182844, 189616, 213318, 243792, 284424, 319977, 325056, 365688, 379232, 426636, 487584, 568848, 639954, 731376, 758464, 853272, 975168, 1137696, 1279908, 1462752, 1706544, 2275392, 2559816, 2925504, 3413088, 5119632, 6826176, 10239264, 20478528]

約数ペア:

[(1, 20478528), (2, 10239264), (3, 6826176), (4, 5119632), (6, 3413088), (7, 2925504), (8, 2559816), (9, 2275392), (12, 1706544), (14, 1462752), (16, 1279908), (18, 1137696), (21, 975168), (24, 853272), (27, 758464), (28, 731376), (32, 639954), (36, 568848), (42, 487584), (48, 426636), (54, 379232), (56, 365688), (63, 325056), (64, 319977), (72, 284424), (84, 243792), (96, 213318), (108, 189616), (112, 182844), (126, 162528), (144, 142212), (168, 121896), (189, 108352), (192, 106659), (216, 94808), (224, 91422), (252, 81264), (288, 71106), (336, 60948), (378, 54176), (432, 47404), (448, 45711), (504, 40632), (576, 35553), (672, 30474), (756, 27088), (864, 23702), (1008, 20316), (1344, 15237), (1512, 13544), (1693, 12096), (1728, 11851), (2016, 10158), (3024, 6772), (3386, 6048), (4032, 5079)]