20247922100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4132229}}^1$

素因数の和:4132257

約数の個数: 54

約数和(自身を含む): 51111552870

約数和(自身を除く): 30863630770

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 4132229, 8264458, 16528916, 20661145, 28925603, 41322290, 57851206, 82644580, 103305725, 115702412, 144628015, 202479221, 206611450, 289256030, 404958442, 413222900, 578512060, 723140075, 809916884, 1012396105, 1446280150, 2024792210, 2892560300, 4049584420, 5061980525, 10123961050, 20247922100]

約数ペア:

[(1, 20247922100), (2, 10123961050), (4, 5061980525), (5, 4049584420), (7, 2892560300), (10, 2024792210), (14, 1446280150), (20, 1012396105), (25, 809916884), (28, 723140075), (35, 578512060), (49, 413222900), (50, 404958442), (70, 289256030), (98, 206611450), (100, 202479221), (140, 144628015), (175, 115702412), (196, 103305725), (245, 82644580), (350, 57851206), (490, 41322290), (700, 28925603), (980, 20661145), (1225, 16528916), (2450, 8264458), (4900, 4132229)]