20149435521

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{6427}}^1$

素因数の和:7142

約数の個数: 48

約数和(自身を含む): 31863955968

約数和(自身を除く): 11714520447

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 661, 1581, 1983, 4743, 5949, 6427, 11237, 19281, 20491, 33711, 57843, 61473, 101133, 109259, 184419, 199237, 327777, 348347, 597711, 983331, 1045041, 1793133, 3135123, 3387029, 4248247, 10161087, 12744741, 30483261, 38234223, 72220199, 131695657, 216660597, 395086971, 649981791, 1185260913, 2238826169, 6716478507, 20149435521]

約数ペア:

[(1, 20149435521), (3, 6716478507), (9, 2238826169), (17, 1185260913), (31, 649981791), (51, 395086971), (93, 216660597), (153, 131695657), (279, 72220199), (527, 38234223), (661, 30483261), (1581, 12744741), (1983, 10161087), (4743, 4248247), (5949, 3387029), (6427, 3135123), (11237, 1793133), (19281, 1045041), (20491, 983331), (33711, 597711), (57843, 348347), (61473, 327777), (101133, 199237), (109259, 184419)]