20492500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1171}}^1$

素因数の和:1202

約数の個数: 60

約数和(自身を含む): 51258592

約数和(自身を除く): 30766092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1171, 1250, 1750, 2342, 2500, 3500, 4375, 4684, 5855, 8197, 8750, 11710, 16394, 17500, 23420, 29275, 32788, 40985, 58550, 81970, 117100, 146375, 163940, 204925, 292750, 409850, 585500, 731875, 819700, 1024625, 1463750, 2049250, 2927500, 4098500, 5123125, 10246250, 20492500]

約数ペア:

[(1, 20492500), (2, 10246250), (4, 5123125), (5, 4098500), (7, 2927500), (10, 2049250), (14, 1463750), (20, 1024625), (25, 819700), (28, 731875), (35, 585500), (50, 409850), (70, 292750), (100, 204925), (125, 163940), (140, 146375), (175, 117100), (250, 81970), (350, 58550), (500, 40985), (625, 32788), (700, 29275), (875, 23420), (1171, 17500), (1250, 16394), (1750, 11710), (2342, 8750), (2500, 8197), (3500, 5855), (4375, 4684)]