20520960

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{167}}^1$

素因数の和:201

約数の個数: 112

約数和(自身を含む): 66056256

約数和(自身を除く): 45535296

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, 167, 192, 240, 256, 320, 334, 384, 480, 501, 512, 640, 668, 768, 835, 960, 1002, 1024, 1280, 1336, 1536, 1670, 1920, 2004, 2048, 2505, 2560, 2672, 3072, 3340, 3840, 4008, 4096, 5010, 5120, 5344, 6144, 6680, 7680, 8016, 8192, 10020, 10240, 10688, 12288, 13360, 15360, 16032, 20040, 20480, 21376, 24576, 26720, 30720, 32064, 40080, 40960, 42752, 53440, 61440, 64128, 80160, 85504, 106880, 122880, 128256, 160320, 171008, 213760, 256512, 320640, 342016, 427520, 513024, 641280, 684032, 855040, 1026048, 1282560, 1368064, 1710080, 2052096, 2565120, 3420160, 4104192, 5130240, 6840320, 10260480, 20520960]

約数ペア:

[(1, 20520960), (2, 10260480), (3, 6840320), (4, 5130240), (5, 4104192), (6, 3420160), (8, 2565120), (10, 2052096), (12, 1710080), (15, 1368064), (16, 1282560), (20, 1026048), (24, 855040), (30, 684032), (32, 641280), (40, 513024), (48, 427520), (60, 342016), (64, 320640), (80, 256512), (96, 213760), (120, 171008), (128, 160320), (160, 128256), (167, 122880), (192, 106880), (240, 85504), (256, 80160), (320, 64128), (334, 61440), (384, 53440), (480, 42752), (501, 40960), (512, 40080), (640, 32064), (668, 30720), (768, 26720), (835, 24576), (960, 21376), (1002, 20480), (1024, 20040), (1280, 16032), (1336, 15360), (1536, 13360), (1670, 12288), (1920, 10688), (2004, 10240), (2048, 10020), (2505, 8192), (2560, 8016), (2672, 7680), (3072, 6680), (3340, 6144), (3840, 5344), (4008, 5120), (4096, 5010)]