20573760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 112

約数和(自身を含む): 67665600

約数和(自身を除く): 47091840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 739, 870, 928, 960, 1160, 1392, 1478, 1740, 1856, 2217, 2320, 2784, 2956, 3480, 3695, 4434, 4640, 5568, 5912, 6960, 7390, 8868, 9280, 11085, 11824, 13920, 14780, 17736, 21431, 22170, 23648, 27840, 29560, 35472, 42862, 44340, 47296, 59120, 64293, 70944, 85724, 88680, 107155, 118240, 128586, 141888, 171448, 177360, 214310, 236480, 257172, 321465, 342896, 354720, 428620, 514344, 642930, 685792, 709440, 857240, 1028688, 1285860, 1371584, 1714480, 2057376, 2571720, 3428960, 4114752, 5143440, 6857920, 10286880, 20573760]

約数ペア:

[(1, 20573760), (2, 10286880), (3, 6857920), (4, 5143440), (5, 4114752), (6, 3428960), (8, 2571720), (10, 2057376), (12, 1714480), (15, 1371584), (16, 1285860), (20, 1028688), (24, 857240), (29, 709440), (30, 685792), (32, 642930), (40, 514344), (48, 428620), (58, 354720), (60, 342896), (64, 321465), (80, 257172), (87, 236480), (96, 214310), (116, 177360), (120, 171448), (145, 141888), (160, 128586), (174, 118240), (192, 107155), (232, 88680), (240, 85724), (290, 70944), (320, 64293), (348, 59120), (435, 47296), (464, 44340), (480, 42862), (580, 35472), (696, 29560), (739, 27840), (870, 23648), (928, 22170), (960, 21431), (1160, 17736), (1392, 14780), (1478, 13920), (1740, 11824), (1856, 11085), (2217, 9280), (2320, 8868), (2784, 7390), (2956, 6960), (3480, 5912), (3695, 5568), (4434, 4640)]