20205152

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 44153424

約数和(自身を除く): 23948272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 122, 176, 244, 352, 488, 671, 941, 976, 1342, 1882, 1952, 2684, 3764, 5368, 7528, 10351, 10736, 15056, 20702, 21472, 30112, 41404, 57401, 82808, 114802, 165616, 229604, 331232, 459208, 631411, 918416, 1262822, 1836832, 2525644, 5051288, 10102576, 20205152]

約数ペア:

[(1, 20205152), (2, 10102576), (4, 5051288), (8, 2525644), (11, 1836832), (16, 1262822), (22, 918416), (32, 631411), (44, 459208), (61, 331232), (88, 229604), (122, 165616), (176, 114802), (244, 82808), (352, 57401), (488, 41404), (671, 30112), (941, 21472), (976, 20702), (1342, 15056), (1882, 10736), (1952, 10351), (2684, 7528), (3764, 5368)]