20512890860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{579133}}^1$

素因数の和:579183

約数の個数: 96

約数和(自身を含む): 56041638912

約数和(自身を除く): 35528748052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 3220, 3542, 5060, 7084, 8855, 17710, 35420, 579133, 1158266, 2316532, 2895665, 4053931, 5791330, 6370463, 8107862, 11582660, 12740926, 13320059, 16215724, 20269655, 25481852, 26640118, 31852315, 40539310, 44593241, 53280236, 63704630, 66600295, 81078620, 89186482, 93240413, 127409260, 133200590, 146520649, 178372964, 186480826, 222966205, 266401180, 293041298, 372961652, 445932410, 466202065, 586082596, 732603245, 891864820, 932404130, 1025644543, 1465206490, 1864808260, 2051289086, 2930412980, 4102578172, 5128222715, 10256445430, 20512890860]

約数ペア:

[(1, 20512890860), (2, 10256445430), (4, 5128222715), (5, 4102578172), (7, 2930412980), (10, 2051289086), (11, 1864808260), (14, 1465206490), (20, 1025644543), (22, 932404130), (23, 891864820), (28, 732603245), (35, 586082596), (44, 466202065), (46, 445932410), (55, 372961652), (70, 293041298), (77, 266401180), (92, 222966205), (110, 186480826), (115, 178372964), (140, 146520649), (154, 133200590), (161, 127409260), (220, 93240413), (230, 89186482), (253, 81078620), (308, 66600295), (322, 63704630), (385, 53280236), (460, 44593241), (506, 40539310), (644, 31852315), (770, 26640118), (805, 25481852), (1012, 20269655), (1265, 16215724), (1540, 13320059), (1610, 12740926), (1771, 11582660), (2530, 8107862), (3220, 6370463), (3542, 5791330), (5060, 4053931), (7084, 2895665), (8855, 2316532), (17710, 1158266), (35420, 579133)]