20777120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1462

約数の個数: 96

約数和(自身を含む): 60455808

約数和(自身を除く): 39678688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1427, 1456, 1820, 2080, 2854, 2912, 3640, 5708, 7135, 7280, 9989, 11416, 14270, 14560, 18551, 19978, 22832, 28540, 37102, 39956, 45664, 49945, 57080, 74204, 79912, 92755, 99890, 114160, 129857, 148408, 159824, 185510, 199780, 228320, 259714, 296816, 319648, 371020, 399560, 519428, 593632, 649285, 742040, 799120, 1038856, 1298570, 1484080, 1598240, 2077712, 2597140, 2968160, 4155424, 5194280, 10388560, 20777120]

約数ペア:

[(1, 20777120), (2, 10388560), (4, 5194280), (5, 4155424), (7, 2968160), (8, 2597140), (10, 2077712), (13, 1598240), (14, 1484080), (16, 1298570), (20, 1038856), (26, 799120), (28, 742040), (32, 649285), (35, 593632), (40, 519428), (52, 399560), (56, 371020), (65, 319648), (70, 296816), (80, 259714), (91, 228320), (104, 199780), (112, 185510), (130, 159824), (140, 148408), (160, 129857), (182, 114160), (208, 99890), (224, 92755), (260, 79912), (280, 74204), (364, 57080), (416, 49945), (455, 45664), (520, 39956), (560, 37102), (728, 28540), (910, 22832), (1040, 19978), (1120, 18551), (1427, 14560), (1456, 14270), (1820, 11416), (2080, 9989), (2854, 7280), (2912, 7135), (3640, 5708)]