20081376

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1423}}^1$

素因数の和:1453

約数の個数: 108

約数和(自身を含む): 66476592

約数和(自身を除く): 46395216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1423, 1568, 1764, 2016, 2352, 2846, 3528, 4269, 4704, 5692, 7056, 8538, 9961, 11384, 12807, 14112, 17076, 19922, 22768, 25614, 29883, 34152, 39844, 45536, 51228, 59766, 68304, 69727, 79688, 89649, 102456, 119532, 136608, 139454, 159376, 179298, 204912, 209181, 239064, 278908, 318752, 358596, 409824, 418362, 478128, 557816, 627543, 717192, 836724, 956256, 1115632, 1255086, 1434384, 1673448, 2231264, 2510172, 2868768, 3346896, 5020344, 6693792, 10040688, 20081376]

約数ペア:

[(1, 20081376), (2, 10040688), (3, 6693792), (4, 5020344), (6, 3346896), (7, 2868768), (8, 2510172), (9, 2231264), (12, 1673448), (14, 1434384), (16, 1255086), (18, 1115632), (21, 956256), (24, 836724), (28, 717192), (32, 627543), (36, 557816), (42, 478128), (48, 418362), (49, 409824), (56, 358596), (63, 318752), (72, 278908), (84, 239064), (96, 209181), (98, 204912), (112, 179298), (126, 159376), (144, 139454), (147, 136608), (168, 119532), (196, 102456), (224, 89649), (252, 79688), (288, 69727), (294, 68304), (336, 59766), (392, 51228), (441, 45536), (504, 39844), (588, 34152), (672, 29883), (784, 25614), (882, 22768), (1008, 19922), (1176, 17076), (1423, 14112), (1568, 12807), (1764, 11384), (2016, 9961), (2352, 8538), (2846, 7056), (3528, 5692), (4269, 4704)]