20565120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10711}}^1$

素因数の和:10733

約数の個数: 64

約数和(自身を含む): 65557440

約数和(自身を除く): 44992320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10711, 21422, 32133, 42844, 53555, 64266, 85688, 107110, 128532, 160665, 171376, 214220, 257064, 321330, 342752, 428440, 514128, 642660, 685504, 856880, 1028256, 1285320, 1371008, 1713760, 2056512, 2570640, 3427520, 4113024, 5141280, 6855040, 10282560, 20565120]

約数ペア:

[(1, 20565120), (2, 10282560), (3, 6855040), (4, 5141280), (5, 4113024), (6, 3427520), (8, 2570640), (10, 2056512), (12, 1713760), (15, 1371008), (16, 1285320), (20, 1028256), (24, 856880), (30, 685504), (32, 642660), (40, 514128), (48, 428440), (60, 342752), (64, 321330), (80, 257064), (96, 214220), (120, 171376), (128, 160665), (160, 128532), (192, 107110), (240, 85688), (320, 64266), (384, 53555), (480, 42844), (640, 32133), (960, 21422), (1920, 10711)]