19974720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20807}}^1$

素因数の和:20827

約数の個数: 56

約数和(自身を含む): 63422784

約数和(自身を除く): 43448064

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, 160, 192, 240, 320, 480, 960, 20807, 41614, 62421, 83228, 104035, 124842, 166456, 208070, 249684, 312105, 332912, 416140, 499368, 624210, 665824, 832280, 998736, 1248420, 1331648, 1664560, 1997472, 2496840, 3329120, 3994944, 4993680, 6658240, 9987360, 19974720]

約数ペア:

[(1, 19974720), (2, 9987360), (3, 6658240), (4, 4993680), (5, 3994944), (6, 3329120), (8, 2496840), (10, 1997472), (12, 1664560), (15, 1331648), (16, 1248420), (20, 998736), (24, 832280), (30, 665824), (32, 624210), (40, 499368), (48, 416140), (60, 332912), (64, 312105), (80, 249684), (96, 208070), (120, 166456), (160, 124842), (192, 104035), (240, 83228), (320, 62421), (480, 41614), (960, 20807)]