20396160

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3541}}^1$

素因数の和:3566

約数の個数: 96

約数和(自身を含む): 70450380

約数和(自身を除く): 50054220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3541, 5760, 7082, 10623, 14164, 17705, 21246, 28328, 31869, 35410, 42492, 53115, 56656, 63738, 70820, 84984, 106230, 113312, 127476, 141640, 159345, 169968, 212460, 226624, 254952, 283280, 318690, 339936, 424920, 453248, 509904, 566560, 637380, 679872, 849840, 1019808, 1133120, 1274760, 1359744, 1699680, 2039616, 2266240, 2549520, 3399360, 4079232, 5099040, 6798720, 10198080, 20396160]

約数ペア:

[(1, 20396160), (2, 10198080), (3, 6798720), (4, 5099040), (5, 4079232), (6, 3399360), (8, 2549520), (9, 2266240), (10, 2039616), (12, 1699680), (15, 1359744), (16, 1274760), (18, 1133120), (20, 1019808), (24, 849840), (30, 679872), (32, 637380), (36, 566560), (40, 509904), (45, 453248), (48, 424920), (60, 339936), (64, 318690), (72, 283280), (80, 254952), (90, 226624), (96, 212460), (120, 169968), (128, 159345), (144, 141640), (160, 127476), (180, 113312), (192, 106230), (240, 84984), (288, 70820), (320, 63738), (360, 56656), (384, 53115), (480, 42492), (576, 35410), (640, 31869), (720, 28328), (960, 21246), (1152, 17705), (1440, 14164), (1920, 10623), (2880, 7082), (3541, 5760)]