20485767170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1\times {\mathrm{3329}}^1$

素因数の和:4691

約数の個数: 64

約数和(自身を含む): 41206112640

約数和(自身を除く): 20720345470

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 1301, 2365, 2602, 3329, 4730, 6505, 6658, 13010, 14311, 16645, 28622, 33290, 36619, 55943, 71555, 73238, 111886, 143110, 143147, 183095, 279715, 286294, 366190, 559430, 615373, 715735, 1230746, 1431470, 1574617, 3076865, 3149234, 4331029, 6153730, 7873085, 8662058, 15746170, 21655145, 43310290, 47641319, 95282638, 186234247, 238206595, 372468494, 476413190, 931171235, 1862342470, 2048576717, 4097153434, 10242883585, 20485767170]

約数ペア:

[(1, 20485767170), (2, 10242883585), (5, 4097153434), (10, 2048576717), (11, 1862342470), (22, 931171235), (43, 476413190), (55, 372468494), (86, 238206595), (110, 186234247), (215, 95282638), (430, 47641319), (473, 43310290), (946, 21655145), (1301, 15746170), (2365, 8662058), (2602, 7873085), (3329, 6153730), (4730, 4331029), (6505, 3149234), (6658, 3076865), (13010, 1574617), (14311, 1431470), (16645, 1230746), (28622, 715735), (33290, 615373), (36619, 559430), (55943, 366190), (71555, 286294), (73238, 279715), (111886, 183095), (143110, 143147)]