20233858036

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2237

約数の個数: 96

約数和(自身を含む): 42471475200

約数和(自身を除く): 22237617164

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 139, 142, 148, 259, 278, 284, 497, 518, 556, 973, 994, 1036, 1946, 1979, 1988, 2627, 3892, 3958, 5143, 5254, 7916, 9869, 10286, 10508, 13853, 18389, 19738, 20572, 27706, 36001, 36778, 39476, 55412, 69083, 72002, 73223, 73556, 138166, 140509, 144004, 146446, 275081, 276332, 281018, 292892, 365153, 512561, 550162, 562036, 730306, 983563, 1025122, 1100324, 1460612, 1925567, 1967126, 2050244, 2556071, 3851134, 3934252, 5112142, 5198833, 7702268, 10177997, 10224284, 10397666, 19530751, 20355994, 20795332, 36391831, 39061502, 40711988, 71245979, 72783662, 78123004, 136715257, 142491958, 145567324, 273430514, 284983916, 546861028, 722637787, 1445275574, 2890551148, 5058464509, 10116929018, 20233858036]

約数ペア:

[(1, 20233858036), (2, 10116929018), (4, 5058464509), (7, 2890551148), (14, 1445275574), (28, 722637787), (37, 546861028), (71, 284983916), (74, 273430514), (139, 145567324), (142, 142491958), (148, 136715257), (259, 78123004), (278, 72783662), (284, 71245979), (497, 40711988), (518, 39061502), (556, 36391831), (973, 20795332), (994, 20355994), (1036, 19530751), (1946, 10397666), (1979, 10224284), (1988, 10177997), (2627, 7702268), (3892, 5198833), (3958, 5112142), (5143, 3934252), (5254, 3851134), (7916, 2556071), (9869, 2050244), (10286, 1967126), (10508, 1925567), (13853, 1460612), (18389, 1100324), (19738, 1025122), (20572, 983563), (27706, 730306), (36001, 562036), (36778, 550162), (39476, 512561), (55412, 365153), (69083, 292892), (72002, 281018), (73223, 276332), (73556, 275081), (138166, 146446), (140509, 144004)]