20153646968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{120889}}^1$

素因数の和:121144

約数の個数: 64

約数和(自身を含む): 46711896000

約数和(自身を除く): 26558249032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 229, 364, 458, 728, 916, 1603, 1832, 2977, 3206, 5954, 6412, 11908, 12824, 20839, 23816, 41678, 83356, 120889, 166712, 241778, 483556, 846223, 967112, 1571557, 1692446, 3143114, 3384892, 6286228, 6769784, 11000899, 12572456, 22001798, 27683581, 44003596, 55367162, 88007192, 110734324, 193785067, 221468648, 359886553, 387570134, 719773106, 775140268, 1439546212, 1550280536, 2519205871, 2879092424, 5038411742, 10076823484, 20153646968]

約数ペア:

[(1, 20153646968), (2, 10076823484), (4, 5038411742), (7, 2879092424), (8, 2519205871), (13, 1550280536), (14, 1439546212), (26, 775140268), (28, 719773106), (52, 387570134), (56, 359886553), (91, 221468648), (104, 193785067), (182, 110734324), (229, 88007192), (364, 55367162), (458, 44003596), (728, 27683581), (916, 22001798), (1603, 12572456), (1832, 11000899), (2977, 6769784), (3206, 6286228), (5954, 3384892), (6412, 3143114), (11908, 1692446), (12824, 1571557), (20839, 967112), (23816, 846223), (41678, 483556), (83356, 241778), (120889, 166712)]