20802336280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2781061}}^1$

素因数の和:2781100

約数の個数: 64

約数和(自身を含む): 54063845280

約数和(自身を除く): 33261509000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 2781061, 5562122, 11124244, 13905305, 22248488, 27810610, 30591671, 47278037, 55621220, 61183342, 94556074, 111242440, 122366684, 152958355, 189112148, 236390185, 244733368, 305916710, 378224296, 472780370, 520058407, 611833420, 945560740, 1040116814, 1223666840, 1891121480, 2080233628, 2600292035, 4160467256, 5200584070, 10401168140, 20802336280]

約数ペア:

[(1, 20802336280), (2, 10401168140), (4, 5200584070), (5, 4160467256), (8, 2600292035), (10, 2080233628), (11, 1891121480), (17, 1223666840), (20, 1040116814), (22, 945560740), (34, 611833420), (40, 520058407), (44, 472780370), (55, 378224296), (68, 305916710), (85, 244733368), (88, 236390185), (110, 189112148), (136, 152958355), (170, 122366684), (187, 111242440), (220, 94556074), (340, 61183342), (374, 55621220), (440, 47278037), (680, 30591671), (748, 27810610), (935, 22248488), (1496, 13905305), (1870, 11124244), (3740, 5562122), (7480, 2781061)]