20590360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 53406720

約数和(自身を除く): 32816360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 487, 604, 755, 974, 1057, 1208, 1510, 1948, 2114, 2435, 3020, 3409, 3896, 4228, 4870, 5285, 6040, 6818, 8456, 9740, 10570, 13636, 17045, 19480, 21140, 27272, 34090, 42280, 68180, 73537, 136360, 147074, 294148, 367685, 514759, 588296, 735370, 1029518, 1470740, 2059036, 2573795, 2941480, 4118072, 5147590, 10295180, 20590360]

約数ペア:

[(1, 20590360), (2, 10295180), (4, 5147590), (5, 4118072), (7, 2941480), (8, 2573795), (10, 2059036), (14, 1470740), (20, 1029518), (28, 735370), (35, 588296), (40, 514759), (56, 367685), (70, 294148), (140, 147074), (151, 136360), (280, 73537), (302, 68180), (487, 42280), (604, 34090), (755, 27272), (974, 21140), (1057, 19480), (1208, 17045), (1510, 13636), (1948, 10570), (2114, 9740), (2435, 8456), (3020, 6818), (3409, 6040), (3896, 5285), (4228, 4870)]