20259538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 13851182

約数列:

[1, 2, 13, 26, 47, 59, 94, 118, 281, 562, 611, 767, 1222, 1534, 2773, 3653, 5546, 7306, 13207, 16579, 26414, 33158, 36049, 72098, 171691, 215527, 343382, 431054, 779213, 1558426, 10129769, 20259538]

約数ペア:

[(1, 20259538), (2, 10129769), (13, 1558426), (26, 779213), (47, 431054), (59, 343382), (94, 215527), (118, 171691), (281, 72098), (562, 36049), (611, 33158), (767, 26414), (1222, 16579), (1534, 13207), (2773, 7306), (3653, 5546)]