20906178

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 22250622

約数列:

[1, 2, 3, 6, 59, 73, 118, 146, 177, 219, 354, 438, 809, 1618, 2427, 4307, 4854, 8614, 12921, 25842, 47731, 59057, 95462, 118114, 143193, 177171, 286386, 354342, 3484363, 6968726, 10453089, 20906178]

約数ペア:

[(1, 20906178), (2, 10453089), (3, 6968726), (6, 3484363), (59, 354342), (73, 286386), (118, 177171), (146, 143193), (177, 118114), (219, 95462), (354, 59057), (438, 47731), (809, 25842), (1618, 12921), (2427, 8614), (4307, 4854)]