20201704

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 39261600

約数和(自身を除く): 19059896

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 491, 556, 982, 1112, 1964, 3928, 5143, 10286, 18167, 20572, 36334, 41144, 68249, 72668, 136498, 145336, 272996, 545992, 2525213, 5050426, 10100852, 20201704]

約数ペア:

[(1, 20201704), (2, 10100852), (4, 5050426), (8, 2525213), (37, 545992), (74, 272996), (139, 145336), (148, 136498), (278, 72668), (296, 68249), (491, 41144), (556, 36334), (982, 20572), (1112, 18167), (1964, 10286), (3928, 5143)]