20929888976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{9181}}^1\times {\mathrm{7499}}^1$

素因数の和:16707

約数の個数: 40

約数和(自身を含む): 42696300000

約数和(自身を除く): 21766411024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 7499, 9181, 14998, 18362, 29996, 36724, 59992, 73448, 119984, 142481, 146896, 174439, 284962, 348878, 569924, 697756, 1139848, 1395512, 2279696, 2791024, 68848319, 137696638, 275393276, 550786552, 1101573104, 1308118061, 2616236122, 5232472244, 10464944488, 20929888976]

約数ペア:

[(1, 20929888976), (2, 10464944488), (4, 5232472244), (8, 2616236122), (16, 1308118061), (19, 1101573104), (38, 550786552), (76, 275393276), (152, 137696638), (304, 68848319), (7499, 2791024), (9181, 2279696), (14998, 1395512), (18362, 1139848), (29996, 697756), (36724, 569924), (59992, 348878), (73448, 284962), (119984, 174439), (142481, 146896)]