20796032

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25471168

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 503, 544, 608, 646, 1006, 1088, 1216, 1292, 2012, 2176, 2432, 2584, 4024, 5168, 8048, 8551, 9557, 10336, 16096, 17102, 19114, 20672, 32192, 34204, 38228, 41344, 64384, 68408, 76456, 136816, 152912, 162469, 273632, 305824, 324938, 547264, 611648, 649876, 1094528, 1223296, 1299752, 2599504, 5199008, 10398016, 20796032]

約数ペア:

[(1, 20796032), (2, 10398016), (4, 5199008), (8, 2599504), (16, 1299752), (17, 1223296), (19, 1094528), (32, 649876), (34, 611648), (38, 547264), (64, 324938), (68, 305824), (76, 273632), (128, 162469), (136, 152912), (152, 136816), (272, 76456), (304, 68408), (323, 64384), (503, 41344), (544, 38228), (608, 34204), (646, 32192), (1006, 20672), (1088, 19114), (1216, 17102), (1292, 16096), (2012, 10336), (2176, 9557), (2432, 8551), (2584, 8048), (4024, 5168)]