20661884

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 36933120

約数和(自身を除く): 16271236

約数列:

[1, 2, 4, 89, 127, 178, 254, 356, 457, 508, 914, 1828, 11303, 22606, 40673, 45212, 58039, 81346, 116078, 162692, 232156, 5165471, 10330942, 20661884]

約数ペア:

[(1, 20661884), (2, 10330942), (4, 5165471), (89, 232156), (127, 162692), (178, 116078), (254, 81346), (356, 58039), (457, 45212), (508, 40673), (914, 22606), (1828, 11303)]