20302788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4157}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 32786556

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4157, 4884, 8314, 12471, 16628, 24942, 45727, 49884, 91454, 137181, 153809, 182908, 274362, 307618, 461427, 548724, 615236, 922854, 1691899, 1845708, 3383798, 5075697, 6767596, 10151394, 20302788]

約数ペア:

[(1, 20302788), (2, 10151394), (3, 6767596), (4, 5075697), (6, 3383798), (11, 1845708), (12, 1691899), (22, 922854), (33, 615236), (37, 548724), (44, 461427), (66, 307618), (74, 274362), (111, 182908), (132, 153809), (148, 137181), (222, 91454), (407, 49884), (444, 45727), (814, 24942), (1221, 16628), (1628, 12471), (2442, 8314), (4157, 4884)]