20584977

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 35038080

約数和(自身を除く): 14453103

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 109, 119, 161, 327, 357, 391, 483, 529, 763, 1173, 1587, 1853, 2289, 2507, 2737, 3703, 5559, 7521, 8211, 8993, 11109, 12971, 17549, 26979, 38913, 42619, 52647, 57661, 62951, 127857, 172983, 188853, 298333, 403627, 894999, 980237, 1210881, 2940711, 6861659, 20584977]

約数ペア:

[(1, 20584977), (3, 6861659), (7, 2940711), (17, 1210881), (21, 980237), (23, 894999), (51, 403627), (69, 298333), (109, 188853), (119, 172983), (161, 127857), (327, 62951), (357, 57661), (391, 52647), (483, 42619), (529, 38913), (763, 26979), (1173, 17549), (1587, 12971), (1853, 11109), (2289, 8993), (2507, 8211), (2737, 7521), (3703, 5559)]