20538496

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25728704

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 319, 352, 464, 503, 638, 704, 928, 1006, 1276, 1408, 1856, 2012, 2552, 3712, 4024, 5104, 5533, 8048, 10208, 11066, 14587, 16096, 20416, 22132, 29174, 32192, 40832, 44264, 58348, 64384, 88528, 116696, 160457, 177056, 233392, 320914, 354112, 466784, 641828, 708224, 933568, 1283656, 1867136, 2567312, 5134624, 10269248, 20538496]

約数ペア:

[(1, 20538496), (2, 10269248), (4, 5134624), (8, 2567312), (11, 1867136), (16, 1283656), (22, 933568), (29, 708224), (32, 641828), (44, 466784), (58, 354112), (64, 320914), (88, 233392), (116, 177056), (128, 160457), (176, 116696), (232, 88528), (319, 64384), (352, 58348), (464, 44264), (503, 40832), (638, 32192), (704, 29174), (928, 22132), (1006, 20416), (1276, 16096), (1408, 14587), (1856, 11066), (2012, 10208), (2552, 8048), (3712, 5533), (4024, 5104)]