20172086656

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{503}}^1\times {\mathrm{2467}}^1$

素因数の和:3111

約数の個数: 64

約数和(自身を含む): 40599982080

約数和(自身を除く): 20427895424

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 503, 508, 1006, 1016, 2012, 2032, 2467, 4024, 4064, 4934, 8048, 8128, 9868, 16096, 16256, 19736, 32192, 39472, 63881, 64384, 78944, 127762, 157888, 255524, 313309, 315776, 511048, 626618, 1022096, 1240901, 1253236, 2044192, 2481802, 2506472, 4088384, 4963604, 5012944, 8176768, 9927208, 10025888, 19854416, 20051776, 39708832, 40103552, 79417664, 157594427, 158835328, 315188854, 630377708, 1260755416, 2521510832, 5043021664, 10086043328, 20172086656]

約数ペア:

[(1, 20172086656), (2, 10086043328), (4, 5043021664), (8, 2521510832), (16, 1260755416), (32, 630377708), (64, 315188854), (127, 158835328), (128, 157594427), (254, 79417664), (503, 40103552), (508, 39708832), (1006, 20051776), (1016, 19854416), (2012, 10025888), (2032, 9927208), (2467, 8176768), (4024, 5012944), (4064, 4963604), (4934, 4088384), (8048, 2506472), (8128, 2481802), (9868, 2044192), (16096, 1253236), (16256, 1240901), (19736, 1022096), (32192, 626618), (39472, 511048), (63881, 315776), (64384, 313309), (78944, 255524), (127762, 157888)]