20869536

素因数分解:

$2^5\times 3^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1$

素因数の和:1621

約数の個数: 48

約数和(自身を含む): 55188000

約数和(自身を除く): 34318464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 149, 298, 447, 596, 894, 1192, 1459, 1788, 2384, 2918, 3576, 4377, 4768, 5836, 7152, 8754, 11672, 14304, 17508, 23344, 35016, 46688, 70032, 140064, 217391, 434782, 652173, 869564, 1304346, 1739128, 2608692, 3478256, 5217384, 6956512, 10434768, 20869536]

約数ペア:

[(1, 20869536), (2, 10434768), (3, 6956512), (4, 5217384), (6, 3478256), (8, 2608692), (12, 1739128), (16, 1304346), (24, 869564), (32, 652173), (48, 434782), (96, 217391), (149, 140064), (298, 70032), (447, 46688), (596, 35016), (894, 23344), (1192, 17508), (1459, 14304), (1788, 11672), (2384, 8754), (2918, 7152), (3576, 5836), (4377, 4768)]