20205666

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 28783134

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 107, 117, 214, 234, 269, 321, 351, 538, 642, 702, 807, 963, 1391, 1614, 1926, 2421, 2782, 2889, 3497, 4173, 4842, 5778, 6994, 7263, 8346, 10491, 12519, 14526, 20982, 25038, 28783, 31473, 37557, 57566, 62946, 75114, 86349, 94419, 172698, 188838, 259047, 374179, 518094, 748358, 777141, 1122537, 1554282, 2245074, 3367611, 6735222, 10102833, 20205666]

約数ペア:

[(1, 20205666), (2, 10102833), (3, 6735222), (6, 3367611), (9, 2245074), (13, 1554282), (18, 1122537), (26, 777141), (27, 748358), (39, 518094), (54, 374179), (78, 259047), (107, 188838), (117, 172698), (214, 94419), (234, 86349), (269, 75114), (321, 62946), (351, 57566), (538, 37557), (642, 31473), (702, 28783), (807, 25038), (963, 20982), (1391, 14526), (1614, 12519), (1926, 10491), (2421, 8346), (2782, 7263), (2889, 6994), (3497, 5778), (4173, 4842)]