20071665

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 35948160

約数和(自身を除く): 15876495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 947, 1413, 2355, 2841, 4239, 4735, 7065, 8523, 14205, 21195, 25569, 42615, 127845, 148679, 446037, 743395, 1338111, 2230185, 4014333, 6690555, 20071665]

約数ペア:

[(1, 20071665), (3, 6690555), (5, 4014333), (9, 2230185), (15, 1338111), (27, 743395), (45, 446037), (135, 148679), (157, 127845), (471, 42615), (785, 25569), (947, 21195), (1413, 14205), (2355, 8523), (2841, 7065), (4239, 4735)]