20345500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5813}}^1$

素因数の和:5839

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 30445604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5813, 11626, 23252, 29065, 40691, 58130, 81382, 116260, 145325, 162764, 203455, 290650, 406910, 581300, 726625, 813820, 1017275, 1453250, 2034550, 2906500, 4069100, 5086375, 10172750, 20345500]

約数ペア:

[(1, 20345500), (2, 10172750), (4, 5086375), (5, 4069100), (7, 2906500), (10, 2034550), (14, 1453250), (20, 1017275), (25, 813820), (28, 726625), (35, 581300), (50, 406910), (70, 290650), (100, 203455), (125, 162764), (140, 145325), (175, 116260), (250, 81382), (350, 58130), (500, 40691), (700, 29065), (875, 23252), (1750, 11626), (3500, 5813)]