20127392

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 43897140

約数和(自身を除く): 23769748

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 41, 46, 58, 82, 92, 116, 164, 184, 232, 328, 368, 464, 529, 656, 667, 736, 928, 943, 1058, 1189, 1312, 1334, 1886, 2116, 2378, 2668, 3772, 4232, 4756, 5336, 7544, 8464, 9512, 10672, 15088, 15341, 16928, 19024, 21344, 21689, 27347, 30176, 30682, 38048, 43378, 54694, 61364, 86756, 109388, 122728, 173512, 218776, 245456, 347024, 437552, 490912, 628981, 694048, 875104, 1257962, 2515924, 5031848, 10063696, 20127392]

約数ペア:

[(1, 20127392), (2, 10063696), (4, 5031848), (8, 2515924), (16, 1257962), (23, 875104), (29, 694048), (32, 628981), (41, 490912), (46, 437552), (58, 347024), (82, 245456), (92, 218776), (116, 173512), (164, 122728), (184, 109388), (232, 86756), (328, 61364), (368, 54694), (464, 43378), (529, 38048), (656, 30682), (667, 30176), (736, 27347), (928, 21689), (943, 21344), (1058, 19024), (1189, 16928), (1312, 15341), (1334, 15088), (1886, 10672), (2116, 9512), (2378, 8464), (2668, 7544), (3772, 5336), (4232, 4756)]