20176440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 40649160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 439, 766, 878, 1149, 1317, 1532, 1756, 1915, 2195, 2298, 2634, 3064, 3512, 3830, 4390, 4596, 5268, 5745, 6585, 7660, 8780, 9192, 10536, 11490, 13170, 15320, 17560, 22980, 26340, 45960, 52680, 168137, 336274, 504411, 672548, 840685, 1008822, 1345096, 1681370, 2017644, 2522055, 3362740, 4035288, 5044110, 6725480, 10088220, 20176440]

約数ペア:

[(1, 20176440), (2, 10088220), (3, 6725480), (4, 5044110), (5, 4035288), (6, 3362740), (8, 2522055), (10, 2017644), (12, 1681370), (15, 1345096), (20, 1008822), (24, 840685), (30, 672548), (40, 504411), (60, 336274), (120, 168137), (383, 52680), (439, 45960), (766, 26340), (878, 22980), (1149, 17560), (1317, 15320), (1532, 13170), (1756, 11490), (1915, 10536), (2195, 9192), (2298, 8780), (2634, 7660), (3064, 6585), (3512, 5745), (3830, 5268), (4390, 4596)]