20931050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 45116160

約数和(自身を除く): 24185110

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 158, 175, 350, 395, 553, 757, 790, 1106, 1514, 1975, 2765, 3785, 3950, 5299, 5530, 7570, 10598, 13825, 18925, 26495, 27650, 37850, 52990, 59803, 119606, 132475, 264950, 299015, 418621, 598030, 837242, 1495075, 2093105, 2990150, 4186210, 10465525, 20931050]

約数ペア:

[(1, 20931050), (2, 10465525), (5, 4186210), (7, 2990150), (10, 2093105), (14, 1495075), (25, 837242), (35, 598030), (50, 418621), (70, 299015), (79, 264950), (158, 132475), (175, 119606), (350, 59803), (395, 52990), (553, 37850), (757, 27650), (790, 26495), (1106, 18925), (1514, 13825), (1975, 10598), (2765, 7570), (3785, 5530), (3950, 5299)]