20558912

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 112

約数和(自身を含む): 49377600

約数和(自身を除く): 28818688

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 32, 38, 44, 53, 58, 64, 76, 88, 106, 116, 152, 176, 209, 212, 232, 304, 319, 352, 418, 424, 464, 551, 583, 608, 638, 704, 836, 848, 928, 1007, 1102, 1166, 1216, 1276, 1537, 1672, 1696, 1856, 2014, 2204, 2332, 2552, 3074, 3344, 3392, 4028, 4408, 4664, 5104, 6061, 6148, 6688, 8056, 8816, 9328, 10208, 11077, 12122, 12296, 13376, 16112, 16907, 17632, 18656, 20416, 22154, 24244, 24592, 29203, 32224, 33814, 35264, 37312, 44308, 48488, 49184, 58406, 64448, 67628, 88616, 96976, 98368, 116812, 135256, 177232, 193952, 233624, 270512, 321233, 354464, 387904, 467248, 541024, 642466, 708928, 934496, 1082048, 1284932, 1868992, 2569864, 5139728, 10279456, 20558912]

約数ペア:

[(1, 20558912), (2, 10279456), (4, 5139728), (8, 2569864), (11, 1868992), (16, 1284932), (19, 1082048), (22, 934496), (29, 708928), (32, 642466), (38, 541024), (44, 467248), (53, 387904), (58, 354464), (64, 321233), (76, 270512), (88, 233624), (106, 193952), (116, 177232), (152, 135256), (176, 116812), (209, 98368), (212, 96976), (232, 88616), (304, 67628), (319, 64448), (352, 58406), (418, 49184), (424, 48488), (464, 44308), (551, 37312), (583, 35264), (608, 33814), (638, 32224), (704, 29203), (836, 24592), (848, 24244), (928, 22154), (1007, 20416), (1102, 18656), (1166, 17632), (1216, 16907), (1276, 16112), (1537, 13376), (1672, 12296), (1696, 12122), (1856, 11077), (2014, 10208), (2204, 9328), (2332, 8816), (2552, 8056), (3074, 6688), (3344, 6148), (3392, 6061), (4028, 5104), (4408, 4664)]