20503071

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2396

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13365729

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2351, 2907, 7053, 8721, 21159, 39967, 44669, 63477, 119901, 134007, 359703, 402021, 759373, 1079109, 1206063, 2278119, 6834357, 20503071]

約数ペア:

[(1, 20503071), (3, 6834357), (9, 2278119), (17, 1206063), (19, 1079109), (27, 759373), (51, 402021), (57, 359703), (153, 134007), (171, 119901), (323, 63477), (459, 44669), (513, 39967), (969, 21159), (2351, 8721), (2907, 7053)]