20018229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4561}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 35036160

約数和(自身を除く): 15017931

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4561, 13683, 31927, 50171, 86659, 95781, 150513, 259977, 351197, 606613, 953249, 1053591, 1819839, 2859747, 6672743, 20018229]

約数ペア:

[(1, 20018229), (3, 6672743), (7, 2859747), (11, 1819839), (19, 1053591), (21, 953249), (33, 606613), (57, 351197), (77, 259977), (133, 150513), (209, 95781), (231, 86659), (399, 50171), (627, 31927), (1463, 13683), (4389, 4561)]