20176942580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{36923}}^1$

素因数の和:37328

約数の個数: 48

約数和(自身を含む): 42988397760

約数和(自身を除く): 22811455180

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 307, 356, 445, 614, 890, 1228, 1535, 1780, 3070, 6140, 27323, 36923, 54646, 73846, 109292, 136615, 147692, 184615, 273230, 369230, 546460, 738460, 3286147, 6572294, 11335361, 13144588, 16430735, 22670722, 32861470, 45341444, 56676805, 65722940, 113353610, 226707220, 1008847129, 2017694258, 4035388516, 5044235645, 10088471290, 20176942580]

約数ペア:

[(1, 20176942580), (2, 10088471290), (4, 5044235645), (5, 4035388516), (10, 2017694258), (20, 1008847129), (89, 226707220), (178, 113353610), (307, 65722940), (356, 56676805), (445, 45341444), (614, 32861470), (890, 22670722), (1228, 16430735), (1535, 13144588), (1780, 11335361), (3070, 6572294), (6140, 3286147), (27323, 738460), (36923, 546460), (54646, 369230), (73846, 273230), (109292, 184615), (136615, 147692)]