20813142

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70793}}^1$

素因数の和:70812

約数の個数: 24

約数和(自身を含む): 48423096

約数和(自身を除く): 27609954

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70793, 141586, 212379, 424758, 495551, 991102, 1486653, 2973306, 3468857, 6937714, 10406571, 20813142]

約数ペア:

[(1, 20813142), (2, 10406571), (3, 6937714), (6, 3468857), (7, 2973306), (14, 1486653), (21, 991102), (42, 495551), (49, 424758), (98, 212379), (147, 141586), (294, 70793)]