20049685628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{240047}}^1$

素因数の和:240234

約数の個数: 48

約数和(自身を含む): 42478894080

約数和(自身を除く): 22429208452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 532, 628, 1099, 2198, 2983, 4396, 5966, 11932, 20881, 41762, 83524, 240047, 480094, 960188, 1680329, 3360658, 4560893, 6721316, 9121786, 18243572, 31926251, 37687379, 63852502, 75374758, 127705004, 150749516, 263811653, 527623306, 716060201, 1055246612, 1432120402, 2864240804, 5012421407, 10024842814, 20049685628]

約数ペア:

[(1, 20049685628), (2, 10024842814), (4, 5012421407), (7, 2864240804), (14, 1432120402), (19, 1055246612), (28, 716060201), (38, 527623306), (76, 263811653), (133, 150749516), (157, 127705004), (266, 75374758), (314, 63852502), (532, 37687379), (628, 31926251), (1099, 18243572), (2198, 9121786), (2983, 6721316), (4396, 4560893), (5966, 3360658), (11932, 1680329), (20881, 960188), (41762, 480094), (83524, 240047)]