20006964

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 53656512

約数和(自身を除く): 33649548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 73, 92, 138, 146, 207, 219, 276, 292, 331, 414, 438, 657, 662, 828, 876, 993, 1314, 1324, 1679, 1986, 2628, 2979, 3358, 3972, 5037, 5958, 6716, 7613, 10074, 11916, 15111, 15226, 20148, 22839, 24163, 30222, 30452, 45678, 48326, 60444, 68517, 72489, 91356, 96652, 137034, 144978, 217467, 274068, 289956, 434934, 555749, 869868, 1111498, 1667247, 2222996, 3334494, 5001741, 6668988, 10003482, 20006964]

約数ペア:

[(1, 20006964), (2, 10003482), (3, 6668988), (4, 5001741), (6, 3334494), (9, 2222996), (12, 1667247), (18, 1111498), (23, 869868), (36, 555749), (46, 434934), (69, 289956), (73, 274068), (92, 217467), (138, 144978), (146, 137034), (207, 96652), (219, 91356), (276, 72489), (292, 68517), (331, 60444), (414, 48326), (438, 45678), (657, 30452), (662, 30222), (828, 24163), (876, 22839), (993, 20148), (1314, 15226), (1324, 15111), (1679, 11916), (1986, 10074), (2628, 7613), (2979, 6716), (3358, 5958), (3972, 5037)]