20736165

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 13731675

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 439, 705, 1005, 1317, 2195, 3149, 6585, 9447, 15745, 20633, 29413, 47235, 61899, 88239, 103165, 147065, 309495, 441195, 1382411, 4147233, 6912055, 20736165]

約数ペア:

[(1, 20736165), (3, 6912055), (5, 4147233), (15, 1382411), (47, 441195), (67, 309495), (141, 147065), (201, 103165), (235, 88239), (335, 61899), (439, 47235), (705, 29413), (1005, 20633), (1317, 15745), (2195, 9447), (3149, 6585)]