20402575300

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{664579}}^1$

素因数の和:664900

約数の個数: 36

約数和(自身を含む): 44417868880

約数和(自身を除く): 24015293580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 1228, 1535, 3070, 6140, 7675, 15350, 30700, 664579, 1329158, 2658316, 3322895, 6645790, 13291580, 16614475, 33228950, 66457900, 204025753, 408051506, 816103012, 1020128765, 2040257530, 4080515060, 5100643825, 10201287650, 20402575300]

約数ペア:

[(1, 20402575300), (2, 10201287650), (4, 5100643825), (5, 4080515060), (10, 2040257530), (20, 1020128765), (25, 816103012), (50, 408051506), (100, 204025753), (307, 66457900), (614, 33228950), (1228, 16614475), (1535, 13291580), (3070, 6645790), (6140, 3322895), (7675, 2658316), (15350, 1329158), (30700, 664579)]