20052435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 18267693

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 195, 221, 255, 263, 299, 345, 391, 663, 789, 897, 1105, 1173, 1315, 1495, 1955, 3315, 3419, 3945, 4471, 4485, 5083, 5865, 6049, 10257, 13413, 15249, 17095, 18147, 22355, 25415, 30245, 51285, 58123, 67065, 76245, 78637, 90735, 102833, 174369, 235911, 290615, 308499, 393185, 514165, 871845, 1179555, 1336829, 1542495, 4010487, 6684145, 20052435]

約数ペア:

[(1, 20052435), (3, 6684145), (5, 4010487), (13, 1542495), (15, 1336829), (17, 1179555), (23, 871845), (39, 514165), (51, 393185), (65, 308499), (69, 290615), (85, 235911), (115, 174369), (195, 102833), (221, 90735), (255, 78637), (263, 76245), (299, 67065), (345, 58123), (391, 51285), (663, 30245), (789, 25415), (897, 22355), (1105, 18147), (1173, 17095), (1315, 15249), (1495, 13413), (1955, 10257), (3315, 6049), (3419, 5865), (3945, 5083), (4471, 4485)]