20676136

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 43118460

約数和(自身を除く): 22442324

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 169, 328, 338, 373, 533, 676, 746, 1066, 1352, 1492, 2132, 2984, 4264, 4849, 6929, 9698, 13858, 15293, 19396, 27716, 30586, 38792, 55432, 61172, 63037, 122344, 126074, 198809, 252148, 397618, 504296, 795236, 1590472, 2584517, 5169034, 10338068, 20676136]

約数ペア:

[(1, 20676136), (2, 10338068), (4, 5169034), (8, 2584517), (13, 1590472), (26, 795236), (41, 504296), (52, 397618), (82, 252148), (104, 198809), (164, 126074), (169, 122344), (328, 63037), (338, 61172), (373, 55432), (533, 38792), (676, 30586), (746, 27716), (1066, 19396), (1352, 15293), (1492, 13858), (2132, 9698), (2984, 6929), (4264, 4849)]