20823360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 112

約数和(自身を含む): 67056000

約数和(自身を除く): 46232640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 160, 192, 199, 218, 240, 320, 327, 398, 436, 480, 545, 597, 654, 796, 872, 960, 995, 1090, 1194, 1308, 1592, 1635, 1744, 1990, 2180, 2388, 2616, 2985, 3184, 3270, 3488, 3980, 4360, 4776, 5232, 5970, 6368, 6540, 6976, 7960, 8720, 9552, 10464, 11940, 12736, 13080, 15920, 17440, 19104, 20928, 21691, 23880, 26160, 31840, 34880, 38208, 43382, 47760, 52320, 63680, 65073, 86764, 95520, 104640, 108455, 130146, 173528, 191040, 216910, 260292, 325365, 347056, 433820, 520584, 650730, 694112, 867640, 1041168, 1301460, 1388224, 1735280, 2082336, 2602920, 3470560, 4164672, 5205840, 6941120, 10411680, 20823360]

約数ペア:

[(1, 20823360), (2, 10411680), (3, 6941120), (4, 5205840), (5, 4164672), (6, 3470560), (8, 2602920), (10, 2082336), (12, 1735280), (15, 1388224), (16, 1301460), (20, 1041168), (24, 867640), (30, 694112), (32, 650730), (40, 520584), (48, 433820), (60, 347056), (64, 325365), (80, 260292), (96, 216910), (109, 191040), (120, 173528), (160, 130146), (192, 108455), (199, 104640), (218, 95520), (240, 86764), (320, 65073), (327, 63680), (398, 52320), (436, 47760), (480, 43382), (545, 38208), (597, 34880), (654, 31840), (796, 26160), (872, 23880), (960, 21691), (995, 20928), (1090, 19104), (1194, 17440), (1308, 15920), (1592, 13080), (1635, 12736), (1744, 11940), (1990, 10464), (2180, 9552), (2388, 8720), (2616, 7960), (2985, 6976), (3184, 6540), (3270, 6368), (3488, 5970), (3980, 5232), (4360, 4776)]