20237598592

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{489493}}^1$

素因数の和:489543

約数の個数: 64

約数和(自身を含む): 44935549200

約数和(自身を除く): 24697950608

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2176, 2432, 2584, 5168, 10336, 20672, 41344, 489493, 978986, 1957972, 3915944, 7831888, 8321381, 9300367, 15663776, 16642762, 18600734, 31327552, 33285524, 37201468, 62655104, 66571048, 74402936, 133142096, 148805872, 158106239, 266284192, 297611744, 316212478, 532568384, 595223488, 632424956, 1065136768, 1190446976, 1264849912, 2529699824, 5059399648, 10118799296, 20237598592]

約数ペア:

[(1, 20237598592), (2, 10118799296), (4, 5059399648), (8, 2529699824), (16, 1264849912), (17, 1190446976), (19, 1065136768), (32, 632424956), (34, 595223488), (38, 532568384), (64, 316212478), (68, 297611744), (76, 266284192), (128, 158106239), (136, 148805872), (152, 133142096), (272, 74402936), (304, 66571048), (323, 62655104), (544, 37201468), (608, 33285524), (646, 31327552), (1088, 18600734), (1216, 16642762), (1292, 15663776), (2176, 9300367), (2432, 8321381), (2584, 7831888), (5168, 3915944), (10336, 1957972), (20672, 978986), (41344, 489493)]