20377006

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 36

約数和(自身を含む): 35140392

約数和(自身を除く): 14763386

約数列:

[1, 2, 13, 19, 26, 38, 167, 169, 247, 334, 338, 361, 494, 722, 2171, 3173, 3211, 4342, 4693, 6346, 6422, 9386, 28223, 41249, 56446, 60287, 61009, 82498, 120574, 122018, 536237, 783731, 1072474, 1567462, 10188503, 20377006]

約数ペア:

[(1, 20377006), (2, 10188503), (13, 1567462), (19, 1072474), (26, 783731), (38, 536237), (167, 122018), (169, 120574), (247, 82498), (334, 61009), (338, 60287), (361, 56446), (494, 41249), (722, 28223), (2171, 9386), (3173, 6422), (3211, 6346), (4342, 4693)]