20589597

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 36341760

約数和(自身を除く): 15752163

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 103, 133, 167, 171, 309, 399, 501, 721, 927, 1169, 1197, 1503, 1957, 2163, 3173, 3507, 5871, 6489, 9519, 10521, 13699, 17201, 17613, 22211, 28557, 41097, 51603, 66633, 120407, 123291, 154809, 199899, 326819, 361221, 980457, 1083663, 2287733, 2941371, 6863199, 20589597]

約数ペア:

[(1, 20589597), (3, 6863199), (7, 2941371), (9, 2287733), (19, 1083663), (21, 980457), (57, 361221), (63, 326819), (103, 199899), (133, 154809), (167, 123291), (171, 120407), (309, 66633), (399, 51603), (501, 41097), (721, 28557), (927, 22211), (1169, 17613), (1197, 17201), (1503, 13699), (1957, 10521), (2163, 9519), (3173, 6489), (3507, 5871)]