20624808312

素因数分解:

$2^3\times 3^2\times {\mathrm{1997}}^1\times {\mathrm{143443}}^1$

素因数の和:145452

約数の個数: 48

約数和(自身を含む): 55887216840

約数和(自身を除く): 35262408528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1997, 3994, 5991, 7988, 11982, 15976, 17973, 23964, 35946, 47928, 71892, 143443, 143784, 286886, 430329, 573772, 860658, 1147544, 1290987, 1721316, 2581974, 3442632, 5163948, 10327896, 286455671, 572911342, 859367013, 1145822684, 1718734026, 2291645368, 2578101039, 3437468052, 5156202078, 6874936104, 10312404156, 20624808312]

約数ペア:

[(1, 20624808312), (2, 10312404156), (3, 6874936104), (4, 5156202078), (6, 3437468052), (8, 2578101039), (9, 2291645368), (12, 1718734026), (18, 1145822684), (24, 859367013), (36, 572911342), (72, 286455671), (1997, 10327896), (3994, 5163948), (5991, 3442632), (7988, 2581974), (11982, 1721316), (15976, 1290987), (17973, 1147544), (23964, 860658), (35946, 573772), (47928, 430329), (71892, 286886), (143443, 143784)]