20715254

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16609546

約数列:

[1, 2, 7, 14, 31, 59, 62, 118, 217, 413, 434, 809, 826, 1618, 1829, 3658, 5663, 11326, 12803, 25079, 25606, 47731, 50158, 95462, 175553, 334117, 351106, 668234, 1479661, 2959322, 10357627, 20715254]

約数ペア:

[(1, 20715254), (2, 10357627), (7, 2959322), (14, 1479661), (31, 668234), (59, 351106), (62, 334117), (118, 175553), (217, 95462), (413, 50158), (434, 47731), (809, 25606), (826, 25079), (1618, 12803), (1829, 11326), (3658, 5663)]