20871360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7247}}^1$

素因数の和:7270

約数の個数: 84

約数和(自身を含む): 71798688

約数和(自身を除く): 50927328

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7247, 14494, 21741, 28988, 36235, 43482, 57976, 65223, 72470, 86964, 108705, 115952, 130446, 144940, 173928, 217410, 231904, 260892, 289880, 326115, 347856, 434820, 463808, 521784, 579760, 652230, 695712, 869640, 1043568, 1159520, 1304460, 1391424, 1739280, 2087136, 2319040, 2608920, 3478560, 4174272, 5217840, 6957120, 10435680, 20871360]

約数ペア:

[(1, 20871360), (2, 10435680), (3, 6957120), (4, 5217840), (5, 4174272), (6, 3478560), (8, 2608920), (9, 2319040), (10, 2087136), (12, 1739280), (15, 1391424), (16, 1304460), (18, 1159520), (20, 1043568), (24, 869640), (30, 695712), (32, 652230), (36, 579760), (40, 521784), (45, 463808), (48, 434820), (60, 347856), (64, 326115), (72, 289880), (80, 260892), (90, 231904), (96, 217410), (120, 173928), (144, 144940), (160, 130446), (180, 115952), (192, 108705), (240, 86964), (288, 72470), (320, 65223), (360, 57976), (480, 43482), (576, 36235), (720, 28988), (960, 21741), (1440, 14494), (2880, 7247)]