20582320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 34414160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1231, 1520, 1672, 2090, 2462, 3344, 4180, 4924, 6155, 8360, 9848, 12310, 13541, 16720, 19696, 23389, 24620, 27082, 46778, 49240, 54164, 67705, 93556, 98480, 108328, 116945, 135410, 187112, 216656, 233890, 257279, 270820, 374224, 467780, 514558, 541640, 935560, 1029116, 1083280, 1286395, 1871120, 2058232, 2572790, 4116464, 5145580, 10291160, 20582320]

約数ペア:

[(1, 20582320), (2, 10291160), (4, 5145580), (5, 4116464), (8, 2572790), (10, 2058232), (11, 1871120), (16, 1286395), (19, 1083280), (20, 1029116), (22, 935560), (38, 541640), (40, 514558), (44, 467780), (55, 374224), (76, 270820), (80, 257279), (88, 233890), (95, 216656), (110, 187112), (152, 135410), (176, 116945), (190, 108328), (209, 98480), (220, 93556), (304, 67705), (380, 54164), (418, 49240), (440, 46778), (760, 27082), (836, 24620), (880, 23389), (1045, 19696), (1231, 16720), (1520, 13541), (1672, 12310), (2090, 9848), (2462, 8360), (3344, 6155), (4180, 4924)]