20197754871

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{9787}}^1$

素因数の和:10044

約数の個数: 48

約数和(自身を含む): 31868161920

約数和(自身を除く): 11670407049

約数列:

[1, 3, 7, 21, 49, 101, 139, 147, 303, 417, 707, 973, 2121, 2919, 4949, 6811, 9787, 14039, 14847, 20433, 29361, 42117, 68509, 98273, 205527, 294819, 479563, 687911, 988487, 1360393, 1438689, 2063733, 2965461, 4081179, 6919409, 9522751, 20758227, 28568253, 48435863, 66659257, 137399693, 145307589, 199977771, 412199079, 961797851, 2885393553, 6732584957, 20197754871]

約数ペア:

[(1, 20197754871), (3, 6732584957), (7, 2885393553), (21, 961797851), (49, 412199079), (101, 199977771), (139, 145307589), (147, 137399693), (303, 66659257), (417, 48435863), (707, 28568253), (973, 20758227), (2121, 9522751), (2919, 6919409), (4949, 4081179), (6811, 2965461), (9787, 2063733), (14039, 1438689), (14847, 1360393), (20433, 988487), (29361, 687911), (42117, 479563), (68509, 294819), (98273, 205527)]