22015205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 29462400

約数和(自身を除く): 7447195

約数列:

[1, 5, 19, 29, 61, 95, 131, 145, 305, 551, 655, 1159, 1769, 2489, 2755, 3799, 5795, 7991, 8845, 12445, 18995, 33611, 39955, 72181, 151829, 168055, 231739, 360905, 759145, 1158695, 4403041, 22015205]

約数ペア:

[(1, 22015205), (5, 4403041), (19, 1158695), (29, 759145), (61, 360905), (95, 231739), (131, 168055), (145, 151829), (305, 72181), (551, 39955), (655, 33611), (1159, 18995), (1769, 12445), (2489, 8845), (2755, 7991), (3799, 5795)]