20668386

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 42408000

約数和(自身を除く): 21739614

約数列:

[1, 2, 3, 6, 61, 122, 149, 183, 298, 366, 379, 447, 758, 894, 1137, 2274, 9089, 18178, 23119, 27267, 46238, 54534, 56471, 69357, 112942, 138714, 169413, 338826, 3444731, 6889462, 10334193, 20668386]

約数ペア:

[(1, 20668386), (2, 10334193), (3, 6889462), (6, 3444731), (61, 338826), (122, 169413), (149, 138714), (183, 112942), (298, 69357), (366, 56471), (379, 54534), (447, 46238), (758, 27267), (894, 23119), (1137, 18178), (2274, 9089)]