20328960

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2647}}^1$

素因数の和:2673

約数の個数: 80

約数和(自身を含む): 65013696

約数和(自身を除く): 44684736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2647, 3840, 5294, 7680, 7941, 10588, 13235, 15882, 21176, 26470, 31764, 39705, 42352, 52940, 63528, 79410, 84704, 105880, 127056, 158820, 169408, 211760, 254112, 317640, 338816, 423520, 508224, 635280, 677632, 847040, 1016448, 1270560, 1355264, 1694080, 2032896, 2541120, 3388160, 4065792, 5082240, 6776320, 10164480, 20328960]

約数ペア:

[(1, 20328960), (2, 10164480), (3, 6776320), (4, 5082240), (5, 4065792), (6, 3388160), (8, 2541120), (10, 2032896), (12, 1694080), (15, 1355264), (16, 1270560), (20, 1016448), (24, 847040), (30, 677632), (32, 635280), (40, 508224), (48, 423520), (60, 338816), (64, 317640), (80, 254112), (96, 211760), (120, 169408), (128, 158820), (160, 127056), (192, 105880), (240, 84704), (256, 79410), (320, 63528), (384, 52940), (480, 42352), (512, 39705), (640, 31764), (768, 26470), (960, 21176), (1280, 15882), (1536, 13235), (1920, 10588), (2560, 7941), (2647, 7680), (3840, 5294)]