13961980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 29954232

約数和(自身を除く): 15992252

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 146, 262, 292, 365, 524, 655, 730, 1310, 1460, 2620, 5329, 9563, 10658, 19126, 21316, 26645, 38252, 47815, 53290, 95630, 106580, 191260, 698099, 1396198, 2792396, 3490495, 6980990, 13961980]

約数ペア:

[(1, 13961980), (2, 6980990), (4, 3490495), (5, 2792396), (10, 1396198), (20, 698099), (73, 191260), (131, 106580), (146, 95630), (262, 53290), (292, 47815), (365, 38252), (524, 26645), (655, 21316), (730, 19126), (1310, 10658), (1460, 9563), (2620, 5329)]