20333838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 29340402

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 83, 114, 133, 166, 249, 266, 307, 399, 498, 581, 614, 798, 921, 1162, 1577, 1743, 1842, 2149, 3154, 3486, 4298, 4731, 5833, 6447, 9462, 11039, 11666, 12894, 17499, 22078, 25481, 33117, 34998, 40831, 50962, 66234, 76443, 81662, 122493, 152886, 178367, 244986, 356734, 484139, 535101, 968278, 1070202, 1452417, 2904834, 3388973, 6777946, 10166919, 20333838]

約数ペア:

[(1, 20333838), (2, 10166919), (3, 6777946), (6, 3388973), (7, 2904834), (14, 1452417), (19, 1070202), (21, 968278), (38, 535101), (42, 484139), (57, 356734), (83, 244986), (114, 178367), (133, 152886), (166, 122493), (249, 81662), (266, 76443), (307, 66234), (399, 50962), (498, 40831), (581, 34998), (614, 33117), (798, 25481), (921, 22078), (1162, 17499), (1577, 12894), (1743, 11666), (1842, 11039), (2149, 9462), (3154, 6447), (3486, 5833), (4298, 4731)]