20655052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22245428

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 797, 836, 1178, 1364, 1594, 2356, 3188, 6479, 8767, 12958, 15143, 17534, 24707, 25916, 30286, 35068, 49414, 60572, 98828, 166573, 271777, 333146, 469433, 543554, 666292, 938866, 1087108, 1877732, 5163763, 10327526, 20655052]

約数ペア:

[(1, 20655052), (2, 10327526), (4, 5163763), (11, 1877732), (19, 1087108), (22, 938866), (31, 666292), (38, 543554), (44, 469433), (62, 333146), (76, 271777), (124, 166573), (209, 98828), (341, 60572), (418, 49414), (589, 35068), (682, 30286), (797, 25916), (836, 24707), (1178, 17534), (1364, 15143), (1594, 12958), (2356, 8767), (3188, 6479)]