20045142

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5039}}^1$

素因数の和:5077

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 29487978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5039, 10078, 15117, 30234, 45351, 65507, 85663, 90702, 131014, 171326, 196521, 256989, 393042, 513978, 589563, 770967, 1113619, 1179126, 1541934, 2227238, 3340857, 6681714, 10022571, 20045142]

約数ペア:

[(1, 20045142), (2, 10022571), (3, 6681714), (6, 3340857), (9, 2227238), (13, 1541934), (17, 1179126), (18, 1113619), (26, 770967), (34, 589563), (39, 513978), (51, 393042), (78, 256989), (102, 196521), (117, 171326), (153, 131014), (221, 90702), (234, 85663), (306, 65507), (442, 45351), (663, 30234), (1326, 15117), (1989, 10078), (3978, 5039)]